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

server/queues/processors/DebounceProcessor.ts

@@ -1,3 +1,4 @@
+import env from "@server/env";
 import Document from "@server/models/Document";
 import { Event } from "@server/types";
 import { globalEventQueue } from "..";
@@ -15,7 +16,9 @@ export default class DebounceProcessor extends BaseProcessor {
         globalEventQueue.add(
           { ...event, name: "documents.update.delayed" },
           {
-            delay: 5 * 60 * 1000,
+            // speed up revision creation in development, we don't have all the
+            // time in the world.
+            delay: (env.ENVIRONMENT === "development" ? 1 : 5) * 60 * 1000,
           }
         );
         break;