mod: pop-up usability enhancement for support button

Now after choosing support level pop-up doesn't hide after each click

editor/plugins/asset_library_editor_plugin.cpp

@@ -1394,6 +1394,7 @@ EditorAssetLibrary::EditorAssetLibrary(bool p_templates_only) {
 	support = memnew(MenuButton);
 	search_hb2->add_child(support);
 	support->set_text(TTR("Support"));
+	support->get_popup()->set_hide_on_checkable_item_selection(false);
 	support->get_popup()->add_check_item(TTR("Official"), SUPPORT_OFFICIAL);
 	support->get_popup()->add_check_item(TTR("Community"), SUPPORT_COMMUNITY);
 	support->get_popup()->add_check_item(TTR("Testing"), SUPPORT_TESTING);