video: catch out of range exception when setting time

Change-Id: I4540324904ddd152d40169d47a7a5e3cddf0d358

videooverlay.cpp

@@ -88,7 +88,7 @@ void
 VideoOverlay::setTime()
 {
     if (callId.empty()) { return; }
-
+    try {
         auto callInfo = LRCInstance::getCurrentCallModel()->getCall(callId);
         if (callInfo.status == lrc::api::call::Status::IN_PROGRESS) {
 
@@ -114,6 +114,7 @@ VideoOverlay::setTime()
 
             ui->timerLabel->setText(labelMin + labelSec);
         }
+    } catch (...) { }
 }
 
 void VideoOverlay::toggleContextButtons(bool visible)