New rate_limited_service_issues_create FF

app/controllers/projects/issues_controller.rb

@@ -37,7 +37,7 @@ class Projects::IssuesController < Projects::ApplicationController
   before_action :authorize_download_code!, only: [:related_branches]
 
   # Limit the amount of issues created per minute
-  before_action :create_rate_limit, only: [:create]
+  before_action :create_rate_limit, only: [:create], if: -> { Feature.disabled?('rate_limited_service_issues_create', project, default_enabled: :yaml) }
 
   before_action do
     push_frontend_feature_flag(:tribute_autocomplete, @project)

config/feature_flags/development/rate_limited_service_issues_create.yml

+---
+name: rate_limited_service_issues_create
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/68526
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/342677
+milestone: '14.4'
+type: development
+group: group::project management
+default_enabled: false

lib/api/issues.rb

@@ -262,7 +262,7 @@ module API
       post ':id/issues' do
         Gitlab::QueryLimiting.disable!('https://gitlab.com/gitlab-org/gitlab/-/issues/21140')
 
-        check_rate_limit! :issues_create, [current_user]
+        check_rate_limit! :issues_create, [current_user] if Feature.disabled?("rate_limited_service_issues_create", user_project, default_enabled: :yaml)
 
         authorize! :create_issue, user_project