fix: reset voice call state, on conn (#8961)

Signed-off-by: fufesou <linlong1266@gmail.com>

flutter/lib/models/model.dart

@@ -723,6 +723,8 @@ class FfiModel with ChangeNotifier {
 
   /// Handle the peer info event based on [evt].
   handlePeerInfo(Map<String, dynamic> evt, String peerId, bool isCache) async {
+    parent.target?.chatModel.voiceCallStatus.value = VoiceCallStatus.notStarted;
+
     // This call is to ensuer the keyboard mode is updated depending on the peer version.
     parent.target?.inputModel.updateKeyboardMode();