🖌️ style: Improve Dark Theme Accessibility (#2125)

* style: all landing page components

* chore: converted all slate to gray, since slate doesnt work

* style: assistant panel

* style: basic UI components, userprovided, preset

* style: update in multiple components

* fix(PluginStoreDialog): justify-center

* fixed some minor Ui styles

* style(MultiSearch): update dark bg

* style: update Convo styling

* style: lower textarea max height slightly

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

client/src/components/Endpoints/SaveAsPresetDialog.tsx

@@ -50,7 +50,7 @@ const SaveAsPresetDialog = ({ open, onOpenChange, preset }: TEditPresetProps) =>
     <Dialog open={open} onOpenChange={onOpenChange}>
       <DialogTemplate
         title={localize('com_endpoint_save_as_preset')}
-        className="w-11/12 sm:w-2/4"
+        className="w-11/12 sm:w-1/4"
         showCloseButton={false}
         main={
           <div className="flex w-full flex-col items-center gap-2">