✨ feat: Implement search parameter updates and enhance chat component styles

- Added `useUpdateSearchParams` hook to manage URL search parameters dynamically.
- Updated `Landing`, `NewChat`, and various parameter components to utilize the new hook for better state management.
- Enhanced styling for dark mode support in chat components.
- Refactored click handlers in `NewChat` to create chat search parameters for navigation.
- Improved accessibility and usability in `DynamicCombobox`, `DynamicInput`, `DynamicSlider`, `DynamicSwitch`, and `DynamicTags` components.
- Introduced `createChatSearchParams` utility to streamline query parameter creation for chat sessions.

remove icon borders in dark mode

client/src/utils/index.ts

@@ -22,6 +22,7 @@ export { default as getLoginError } from './getLoginError';
 export { default as cleanupPreset } from './cleanupPreset';
 export { default as buildDefaultConvo } from './buildDefaultConvo';
 export { default as getDefaultEndpoint } from './getDefaultEndpoint';
+export { default as createChatSearchParams } from './createChatSearchParams';
 
 export const languages = [
   'java',