feat: Comments (#4911)

* Comment model

* Framework, model, policy, presenter, api endpoint etc

* Iteration, first pass of UI

* fixes, refactors

* Comment commands

* comment socket support

* typing indicators

* comment component, styling

* wip

* right sidebar resize

* fix: CMD+Enter submit

* Add usePersistedState
fix: Main page scrolling on comment highlight

* drafts

* Typing indicator

* refactor

* policies

* Click thread to highlight
Improve comment timestamps

* padding

* Comment menu v1

* Change comments to use editor

* Basic comment editing

* fix: Hide commenting button when disabled at team level

* Enable opening sidebar without mark

* Move selected comment to location state

* Add comment delete confirmation

* Add comment count to document meta

* fix: Comment sidebar togglable
Add copy link to comment

* stash

* Restore History changes

* Refactor right sidebar to allow for comment animation

* Update to new router best practices

* stash

* Various improvements

* stash

* Handle click outside

* Fix incorrect placeholder in input
fix: Input box appearing on other sessions erroneously

* stash

* fix: Don't leave orphaned child comments

* styling

* stash

* Enable comment toggling again

* Edit styling, merge conflicts

* fix: Cannot navigate from insights to comments

* Remove draft comment mark on click outside

* Fix: Empty comment sidebar, tsc

* Remove public toggle

* fix: All comments are recessed
fix: Comments should not be printed

* fix: Associated mark should be removed on comment delete

* Revert unused changes

* Empty state, basic RTL support

* Create dont toggle comment mark

* Make it feel more snappy

* Highlight active comment in text

* fix animation

* RTL support

* Add reply CTA

* Translations

app/editor/menus/formatting.tsx

@@ -11,6 +11,7 @@ import {
   TodoListIcon,
   InputIcon,
   HighlightIcon,
+  CommentIcon,
   ItalicIcon,
 } from "outline-icons";
 import { EditorState } from "prosemirror-state";
@@ -146,5 +147,12 @@ export default function formattingMenuItems(
       attrs: { href: "" },
       visible: !isCode,
     },
+    {
+      name: "comment",
+      tooltip: dictionary.comment,
+      icon: <CommentIcon />,
+      active: isMarkActive(schema.marks.comment),
+      visible: !isCode,
+    },
   ];
 }