iOS: Close the keyboard on one more event. Makes it easier to get rid of it if it gets stuck.

ios/ViewControllerCommon.mm

@@ -209,6 +209,7 @@
 	}
 
 	[picker dismissViewControllerAnimated:YES completion:nil];
+
 	[self hideKeyboard];
 }
 

ios/main.mm

@@ -533,6 +533,7 @@ bool System_MakeRequest(SystemRequestType type, int requestId, const std::string
 	{
 		switch ((UIEventNotification)param3) {
 		case UIEventNotification::POPUP_CLOSED:
+		case UIEventNotification::DIALOG_CLOSED:
 			[sharedViewController hideKeyboard];
 			break;
 		case UIEventNotification::TEXT_GOTFOCUS: