🎯 fix: Prevent UI De-sync By Removing Redundant States (#5333)

* fix: remove local state from Dropdown causing de-sync

* refactor: cleanup STT code, avoid redundant states to prevent de-sync and side effects

* fix: reset transcript after sending final text to prevent data loss

* fix: clear timeout on component unmount to prevent memory leaks

client/src/components/Nav/SettingsTabs/Chat/FontSizeSelector.tsx

@@ -30,7 +30,6 @@ export default function FontSizeSelector() {
         onChange={handleChange}
         testId="font-size-selector"
         sizeClasses="w-[150px]"
-        anchor="bottom start"
       />
     </div>
   );