Allow cherry-picking to a fork's parent

app/controllers/projects/commit_controller.rb

@@ -20,7 +20,7 @@ class Projects::CommitController < Projects::ApplicationController
   before_action :define_note_vars, only: [:show, :diff_for_path, :diff_files]
   before_action :authorize_edit_tree!, only: [:revert, :cherry_pick]
   before_action do
-    push_frontend_feature_flag(:pick_into_project)
+    push_frontend_feature_flag(:pick_into_project, @project, default_enabled: :yaml)
   end
 
   BRANCH_SEARCH_LIMIT = 1000

changelogs/unreleased/id-enable-pick-into-project.yml

+---
+title: Allow cherry-picking to a fork's parent
+merge_request: 59399
+author:
+type: added

config/feature_flags/development/pick_into_project.yml

@@ -5,4 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/324154
 milestone: '13.10'
 type: development
 group: group::source code
-default_enabled: false
+default_enabled: true