🖌️ style: Update Light/Dark UI Themes (#1754)

* BIG UI UPDATE

* fix: search bar, dialog template, new chat icon, convo icon and delete/rename button

* moved some color config and a lot of files

* small text fixes and tailwind config refactor

* Update localization and UI styles

* Update styles and add user-select:none to Tooltip component

* Update mobile.css styles for navigation mask and background color

* Update component imports and styles

* Update DeleteButton imports and references

* Update UI components

* Update tooltip delay duration

* Fix styling and update text in various components

* fixed assistant style

* minor style fixes

* revert: removed CreationHeader & CreationPanel

* style: match new styling for SidePanel

* style: match bg-gray-800 to ChatGPT (#212121)

* style: remove slate for gray where applicable to match new light theme

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Co-authored-by: Danny Avila <messagedaniel@protonmail.com>

client/src/components/Chat/Menus/UI/MenuSeparator.tsx

@@ -4,7 +4,7 @@ const MenuSeparator: FC = () => (
   <div
     role="separator"
     aria-orientation="horizontal"
-    className="my-1.5 border-b bg-gray-100 dark:border-gray-700"
+    className="my-1.5 border-b bg-gray-200 dark:border-gray-700"
   />
 );