Retry loading addons after filesystem scan

editor/editor_node.h

@@ -292,6 +292,7 @@ private:
 	Vector<EditorPlugin *> editor_plugins;
 	bool _initializing_plugins = false;
 	HashMap<String, EditorPlugin *> addon_name_to_plugin;
+	LocalVector<String> pending_addons;
 
 	PanelContainer *scene_root_parent = nullptr;
 	Control *theme_base = nullptr;
@@ -535,6 +536,7 @@ private:
 	static void _resource_loaded(Ref<Resource> p_resource, const String &p_path);
 
 	void _build_icon_type_cache();
+	void _enable_pending_addons();
 
 	void _dialog_action(String p_file);