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/PaginatedEventList.tsx

@@ -29,17 +29,15 @@ const PaginatedEventList = React.memo<Props>(function PaginatedEventList({
       heading={heading}
       fetch={fetch}
       options={options}
-      renderItem={(item: Event, index, compositeProps) => {
-        return (
-          <EventListItem
-            key={item.id}
-            event={item}
-            document={document}
-            latest={index === 0}
-            {...compositeProps}
-          />
-        );
-      }}
+      renderItem={(item: Event, index, compositeProps) => (
+        <EventListItem
+          key={item.id}
+          event={item}
+          document={document}
+          latest={index === 0}
+          {...compositeProps}
+        />
+      )}
       renderHeading={(name) => <Heading>{name}</Heading>}
       {...rest}
     />