Add trigger to join and view room metrics events #5769

- Added trigger for JoinedRoom event
- Tracking ViewRoom event for rooms and events

Riot/Modules/Call/CallViewController.m

@@ -563,6 +563,7 @@ CallAudioRouteMenuViewDelegate>
                 if (self.mxCall.room)
                 {
                     // Open the room page
+                    Analytics.shared.viewRoomTrigger = AnalyticsViewRoomTriggerInCall;
                     [[AppDelegate theDelegate] showRoom:self.mxCall.room.roomId andEventId:nil withMatrixSession:self.mxCall.room.mxSession];
                 }