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/components/DocumentMetaWithViews.tsx

@@ -24,14 +24,6 @@ function DocumentMetaWithViews({ to, isDraft, document, ...rest }: Props) {
   const totalViewers = documentViews.length;
   const onlyYou = totalViewers === 1 && documentViews[0].user.id;
 
-  React.useEffect(() => {
-    if (!document.isDeleted) {
-      views.fetchPage({
-        documentId: document.id,
-      });
-    }
-  }, [views, document.id, document.isDeleted]);
-
   const popover = usePopoverState({
     gutter: 8,
     placement: "bottom",