feat: messages extension (#4028)

* feat: private messages

extensions/flags/LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2019-2021 Stichting Flarum (Flarum Foundation)
+Copyright (c) 2019-2024 Stichting Flarum (Flarum Foundation)
 Copyright (c) 2014-2019 Toby Zerner (toby.zerner@gmail.com)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy

extensions/flags/js/src/forum/components/FlagList.tsx

@@ -10,6 +10,7 @@ import type Post from 'flarum/common/models/Post';
 import type FlagListState from '../states/FlagListState';
 import type Flag from '../models/Flag';
 import { Page } from 'flarum/common/states/PaginatedListState';
+import ItemList from 'flarum/common/utils/ItemList';
 
 export interface IFlagListAttrs extends ComponentAttrs {
   state: FlagListState;
@@ -27,6 +28,7 @@ export default class FlagList<CustomAttrs extends IFlagListAttrs = IFlagListAttr
       <HeaderList
         className="FlagList"
         title={app.translator.trans('flarum-flags.forum.flagged_posts.title')}
+        controls={this.controlItems()}
         hasItems={state.hasItems()}
         loading={state.isLoading()}
         emptyText={app.translator.trans('flarum-flags.forum.flagged_posts.empty_text')}
@@ -37,6 +39,12 @@ export default class FlagList<CustomAttrs extends IFlagListAttrs = IFlagListAttr
     );
   }
 
+  controlItems() {
+    const items = new ItemList();
+
+    return items;
+  }
+
   content(state: FlagListState) {
     if (!state.isLoading() && state.hasItems()) {
       return state.getPages().map((page: Page<Flag>) => {