fix: extra indexed db update on mount (reload) causing repeated popups of unsaved changes (#4808)

* docs: update self-host guide link in README (#4704)

found via:

- https://github.com/makeplane/docs/issues/48
- https://github.com/makeplane/plane/pull/3109

* fix: extra indexed db update on mount causing repeated popups on unload

* revert: old stuff

---------

Co-authored-by: jon ⚝ <jon@allmende.io>

packages/editor/document-editor/src/hooks/use-document-editor.ts

@@ -59,6 +59,9 @@ export const useDocumentEditor = ({
   // indexedDB provider
   useLayoutEffect(() => {
     const localProvider = new IndexeddbPersistence(id, provider.document);
+    localProvider.on("synced", () => {
+      provider.setHasIndexedDBSynced(true);
+    });
     return () => {
       localProvider?.destroy();
     };