Call dismiss instead of hide when dismissing by a world click on dialogs (#2678)

Author: keianhzo

app/src/common/shared/org/mozilla/vrbrowser/ui/widgets/dialogs/UIDialog.java

@@ -87,7 +87,7 @@ private void hide() {
     @Override
     public void onWorldClick() {
         if (isVisible()) {
-            post(() -> hide(REMOVE_WIDGET));
+            post(this::onDismiss);
         }
     }