Prevent crash when openining app after bg call finished

Only happened in the settings view before the call starts

Classes/LinphoneAppDelegate.m

@@ -63,6 +63,7 @@
 }
 
 - (void)applicationWillEnterForeground:(UIApplication *)application {
+	LOGI(@"%@", NSStringFromSelector(_cmd));
     [LinphoneManager.instance startLinphoneCore];
     [LinphoneManager.instance.fastAddressBook reloadFriends];
     [NSNotificationCenter.defaultCenter postNotificationName:kLinphoneMessageReceived object:nil];

Classes/PhoneMainView.m

@@ -425,6 +425,7 @@ static RootViewManager *rootViewManagerInstance = nil;
         case LinphoneCallReleased:
             if ([UIApplication sharedApplication].applicationState == UIApplicationStateBackground) {
                 dispatch_async(dispatch_get_main_queue(), ^{
+					[PhoneMainView.instance popToView:DialerView.compositeViewDescription];
 					[CoreManager.instance stopLinphoneCore];
                 });
             }