chore: throw exception if you cannot send famedly call member event

lib/src/voip/utils/famedly_call_extension.dart

@@ -128,8 +128,8 @@ extension FamedlyCallMemberEventsExtension on Room {
         newContent,
       );
     } else {
-      Logs().w(
-          '[VOIP] cannot send ${EventTypes.GroupCallMember} events in room: $id, fix your PLs');
+      throw Exception(
+          '[VOIP] User is not allowed to send famedly call member events in room');
     }
   }
 

lib/src/voip/voip.dart

@@ -773,7 +773,7 @@ class VoIP {
     if (groupCall != null) {
       if (!room.canJoinGroupCall) {
         throw Exception(
-            'User is not allowed to join famedly calls in the room');
+            '[VOIP] User is not allowed to join famedly calls in the room');
       }
       return groupCall;
     }