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/screens/message/ChatScreen.tsx

@@ -423,15 +423,6 @@ export const ChatScreen: React.FC = () => {
         onMorePress={navigateToChatSettings}
         onGroupInfoPress={handleGroupInfoPress}
         isWideScreen={isWideScreen}
-        onCallPress={!isGroupChat ? () => {
-          const otherUserId = otherUser?.id;
-          if (otherUserId && conversationId) {
-            callStore.getState().startCall(conversationId, otherUserId, {
-              nickname: otherUser?.nickname,
-              avatar: otherUser?.avatar,
-            });
-          }
-        } : undefined}
       />
 
       {/* 消息列表 */}