feat(CallScreen): enhance video call functionality and UI updates

- Integrated video call support by adding local and remote video stream handling.
- Implemented state management for video track detection in both local and peer streams.
- Updated UI to conditionally render video components based on the presence of video tracks.
- Added video toggle functionality to enable or disable local video during calls.
- Enhanced incoming call modal to display call type (voice or video).
- Refactored call store to manage call types and video state more effectively.

src/stores/index.ts

@@ -48,6 +48,7 @@ export {
   useHomeTabPressStore,
 } from './homeTabPressStore';
 export { callStore } from './callStore';
+export type { CallType, CallSession, CallStatus } from './callStore';
 export {
   useAppColors,
   useThemePreference,