ScreenVisibilityListener now called on disappear methods (#2822)

fixes https://github.com/wix/react-native-navigation/issues/1771

ios/RCCViewController.m

@@ -235,8 +235,6 @@ const NSInteger TRANSPARENT_NAVBAR_TAG = 78264803;
 
 - (void)sendGlobalScreenEvent:(NSString *)eventName endTimestampString:(NSString *)endTimestampStr shouldReset:(BOOL)shouldReset {
   
-  if (!self.commandType) return;
-  
   if ([self.view isKindOfClass:[RCTRootView class]]){
     NSString *screenName = [((RCTRootView*)self.view) moduleName];