feat: Show diff when navigating revision history (#4069)

* tidy

* Add title to HTML export

* fix: Add compatability for documents without collab state

* Add HTML download option to UI

* docs

* fix nodes that required document to render

* Refactor to allow for styling of HTML export

* div>article for easier programatic content extraction

* Allow DocumentHelper to be used with Revisions

* Add revisions.diff endpoint, first version

* Allow arbitrary revisions to be compared

* test

* HTML driven revision viewer

* fix: Dark mode styles for document diffs

* Add revision restore button to header

* test

* Support RTL languages in revision history viewer

* fix: RTL support
Remove unneccessary API requests

* Prefetch revision data

* Animate history sidebar

* fix: Cannot toggle history from timestamp
fix: Animation on each revision click

* Clarify currently editing history item

app/actions/sections.ts

@@ -6,6 +6,8 @@ export const DeveloperSection = ({ t }: ActionContext) => t("Debug");
 
 export const DocumentSection = ({ t }: ActionContext) => t("Document");
 
+export const RevisionSection = ({ t }: ActionContext) => t("Revision");
+
 export const SettingsSection = ({ t }: ActionContext) => t("Settings");
 
 export const NavigationSection = ({ t }: ActionContext) => t("Navigation");