chore: Auto reload frontend of client is out of date (#1270)

* Move editor version to header
Add editor version check for API endpoints

* fix: Editor update auto-reload
Bump RME

* fix: Only redirect if editor header exists

* lint

server/errors.js

@@ -45,3 +45,9 @@ export function ParamRequiredError(
 export function ValidationError(message: string = 'Validation failed') {
   return httpErrors(400, message, { id: 'validation_error' });
 }
+
+export function EditorUpdateError(
+  message: string = 'The client editor is out of date and must be reloaded'
+) {
+  return httpErrors(400, message, { id: 'editor_update_required' });
+}