Merge pull request #30393 from overleaf/dp-test-revert-2

Revert "Merge pull request #29916 from overleaf/dp-cleanup-editor-red…

GitOrigin-RevId: c2f14fb55e74a1fcb026e37822774724c36bc0dc

services/web/app/src/Features/Project/ProjectController.mjs

@@ -459,6 +459,7 @@ const _ProjectController = {
       'wf-citations-checker-on-selection',
       'writefull-asymetric-queue-size-per-model',
       'pdf-dark-mode',
+      'editor-redesign-opt-out',
       'email-notifications',
     ].filter(Boolean)
 

services/web/app/src/Features/Project/UserSettingsHelper.mjs

@@ -41,6 +41,13 @@ async function buildUserSettings(req, res, user) {
   const enableNewEditorLegacy =
     user.ace.enableNewEditor ?? defaultLegacyEnableNewEditor
 
+  const assignment = await SplitTestHandler.promises.getAssignment(
+    req,
+    res,
+    'editor-redesign-opt-out'
+  )
+  const isOptOutEnabled = assignment.variant === 'enabled'
+
   return {
     mode: user.ace.mode,
     editorTheme: user.ace.theme,
@@ -57,7 +64,9 @@ async function buildUserSettings(req, res, user) {
     mathPreview: user.ace.mathPreview,
     breadcrumbs: user.ace.breadcrumbs,
     referencesSearchMode: user.ace.referencesSearchMode,
-    enableNewEditor: enableNewEditorStageFour,
+    enableNewEditor: isOptOutEnabled
+      ? enableNewEditorStageFour
+      : enableNewEditorLegacy,
     enableNewEditorLegacy,
     darkModePdf: user.ace.darkModePdf ?? false,
   }