WIP: Update UI to match Official Style; Vision and Assistants 👷🏽 (#1190)

* wip: initial client side code

* wip: initial api code

* refactor: export query keys from own module, export assistant hooks

* refactor(SelectDropDown): more customization via props

* feat: create Assistant and render real Assistants

* refactor: major refactor of UI components to allow multi-chat, working alongside CreationPanel

* refactor: move assistant routes to own directory

* fix(CreationHeader): state issue with assistant select

* refactor: style changes for form, fix setSiblingIdx from useChatHelpers to use latestMessageParentId, fix render issue with ChatView and change location

* feat: parseCompactConvo: begin refactor of slimmer JSON payloads between client/api

* refactor(endpoints): add assistant endpoint, also use EModelEndpoint as much as possible

* refactor(useGetConversationsQuery): use object to access query data easily

* fix(MultiMessage): react warning of bad state set, making use of effect during render (instead of useEffect)

* fix(useNewConvo): use correct atom key (index instead of convoId) for reset latestMessageFamily

* refactor: make routing navigation/conversation change simpler

* chore: add removeNullishValues for smaller payloads, remove unused fields, setup frontend pinging of assistant endpoint

* WIP: initial complete assistant run handling

* fix: CreationPanel form correctly setting internal state

* refactor(api/assistants/chat): revise functions to working run handling strategy

* refactor(UI): initial major refactor of ChatForm and options

* feat: textarea hook

* refactor: useAuthRedirect hook and change directory name

* feat: add ChatRoute (/c/), make optionsBar absolute and change on textarea height, add temp header

* feat: match new toggle Nav open button to ChatGPT's

* feat: add OpenAI custom classnames

* feat: useOriginNavigate

* feat: messages loading view

* fix: conversation navigation and effects

* refactor: make toggle change nav opacity

* WIP: new endpoint menu

* feat: NewEndpointsMenu complete

* fix: ensure set key dialog shows on endpoint change, and new conversation resets messages

* WIP: textarea styling fix, add temp footer, create basic file handling component

* feat: image file handling (UI)

* feat: PopOver and ModelSelect in Header, remove GenButtons

* feat: drop file handling

* refactor: bug fixes
use SSE at route level
add opts to useOriginNavigate
delay render of unfinishedMessage to avoid flickering
pass params (convoId) to chatHelpers to set messages query data based on param when the route is new (fixes can't continue convo on /new/)
style(MessagesView): matches height to official
fix(SSE): pass paramId and invalidate convos
style(Message): make bg uniform

* refactor(useSSE): setStorage within setConversation updates

* feat: conversationKeysAtom, allConversationsSelector, update convos query data on created message (if new), correctly handle convo deletion (individual)

* feat: add popover select dropdowns to allow options in header while allowing horizontal scroll for mobile

* style(pluginsSelect): styling changes

* refactor(NewEndpointsMenu): make UI components modular

* feat: Presets complete

* fix: preset editing, make by index

* fix: conversations not setting on inital navigation, fix getMessages() based on query param

* fix: changing preset no longer resets latestMessage

* feat: useOnClickOutside for OptionsPopover and fix bug that causes selection of preset when deleting

* fix: revert /chat/ switchToConvo, also use NewDeleteButton in Convo

* fix: Popover correctly closes on close Popover button using custom condition for useOnClickOutside

* style: new message and nav styling

* style: hover/sibling buttons and preset menu scrolling

* feat: new convo header button

* style(Textarea): minor style changes to textarea buttons

* feat: stop/continue generating and hide hoverbuttons when submitting

* feat: compact AI Provider schemas to make json payloads and db saves smaller

* style: styling changes for consistency on chat route

* fix: created usePresetIndexOptions to prevent bugs between /c/ and /chat/ routes when editing presets, removed redundant code from the new dialog

* chore: make /chat/ route default for now since we still lack full image support

client/src/components/Chat/Menus/Endpoints/Icons.tsx

@@ -0,0 +1,43 @@
+import { EModelEndpoint } from 'librechat-data-provider';
+import {
+  MinimalPlugin,
+  GPTIcon,
+  AnthropicIcon,
+  AzureMinimalIcon,
+  BingAIMinimalIcon,
+  PaLMinimalIcon,
+  LightningIcon,
+} from '~/components/svg';
+import { cn } from '~/utils';
+
+export const icons = {
+  [EModelEndpoint.azureOpenAI]: AzureMinimalIcon,
+  [EModelEndpoint.openAI]: GPTIcon,
+  [EModelEndpoint.gptPlugins]: MinimalPlugin,
+  [EModelEndpoint.anthropic]: AnthropicIcon,
+  [EModelEndpoint.chatGPTBrowser]: LightningIcon,
+  [EModelEndpoint.google]: PaLMinimalIcon,
+  [EModelEndpoint.bingAI]: BingAIMinimalIcon,
+  [EModelEndpoint.assistant]: ({ className = '' }) => (
+    <svg
+      width="24"
+      height="24"
+      viewBox="0 0 24 24"
+      fill="none"
+      xmlns="http://www.w3.org/2000/svg"
+      className={cn('icon-md shrink-0', className)}
+    >
+      <path
+        d="M19.3975 1.35498C19.3746 1.15293 19.2037 1.00021 19.0004 1C18.7971 0.999793 18.6259 1.15217 18.6026 1.35417C18.4798 2.41894 18.1627 3.15692 17.6598 3.65983C17.1569 4.16274 16.4189 4.47983 15.3542 4.60264C15.1522 4.62593 14.9998 4.79707 15 5.00041C15.0002 5.20375 15.1529 5.37457 15.355 5.39746C16.4019 5.51605 17.1562 5.83304 17.6716 6.33906C18.1845 6.84269 18.5078 7.57998 18.6016 8.63539C18.6199 8.84195 18.7931 9.00023 19.0005 9C19.2078 8.99977 19.3806 8.84109 19.3985 8.6345C19.4883 7.59673 19.8114 6.84328 20.3273 6.32735C20.8433 5.81142 21.5967 5.48834 22.6345 5.39851C22.8411 5.38063 22.9998 5.20782 23 5.00045C23.0002 4.79308 22.842 4.61992 22.6354 4.60157C21.58 4.50782 20.8427 4.18447 20.3391 3.67157C19.833 3.15623 19.516 2.40192 19.3975 1.35498Z"
+        fill="currentColor"
+      ></path>
+      <path
+        fillRule="evenodd"
+        clipRule="evenodd"
+        d="M11 3C11.4833 3 11.8974 3.34562 11.9839 3.82111C12.4637 6.46043 13.279 8.23983 14.5196 9.48039C15.7602 10.721 17.5396 11.5363 20.1789 12.0161C20.6544 12.1026 21 12.5167 21 13C21 13.4833 20.6544 13.8974 20.1789 13.9839C17.5396 14.4637 15.7602 15.279 14.5196 16.5196C13.279 17.7602 12.4637 19.5396 11.9839 22.1789C11.8974 22.6544 11.4833 23 11 23C10.5167 23 10.1026 22.6544 10.0161 22.1789C9.53625 19.5396 8.72096 17.7602 7.48039 16.5196C6.23983 15.279 4.46043 14.4637 1.82111 13.9839C1.34562 13.8974 1 13.4833 1 13C1 12.5167 1.34562 12.1026 1.82111 12.0161C4.46043 11.5363 6.23983 10.721 7.48039 9.48039C8.72096 8.23983 9.53625 6.46043 10.0161 3.82111C10.1026 3.34562 10.5167 3 11 3ZM5.66618 13C6.9247 13.5226 7.99788 14.2087 8.89461 15.1054C9.79134 16.0021 10.4774 17.0753 11 18.3338C11.5226 17.0753 12.2087 16.0021 13.1054 15.1054C14.0021 14.2087 15.0753 13.5226 16.3338 13C15.0753 12.4774 14.0021 11.7913 13.1054 10.8946C12.2087 9.99788 11.5226 8.9247 11 7.66618C10.4774 8.9247 9.79134 9.99788 8.89461 10.8946C7.99788 11.7913 6.9247 12.4774 5.66618 13Z"
+        fill="currentColor"
+      ></path>
+    </svg>
+  ),
+  unknown: GPTIcon,
+};