Swap defaults of new_pipeline_form for ":yaml"

app/controllers/projects/pipelines_controller.rb

@@ -14,7 +14,7 @@ class Projects::PipelinesController < Projects::ApplicationController
   before_action :authorize_update_pipeline!, only: [:retry, :cancel]
   before_action do
     push_frontend_feature_flag(:pipelines_security_report_summary, project, default_enabled: :yaml)
-    push_frontend_feature_flag(:new_pipeline_form, project, default_enabled: true)
+    push_frontend_feature_flag(:new_pipeline_form, project, default_enabled: :yaml)
     push_frontend_feature_flag(:graphql_pipeline_details, project, type: :development, default_enabled: :yaml)
     push_frontend_feature_flag(:graphql_pipeline_details_users, current_user, type: :development, default_enabled: :yaml)
     push_frontend_feature_flag(:ci_mini_pipeline_gl_dropdown, project, type: :development, default_enabled: :yaml)

app/views/projects/pipelines/new.html.haml

@@ -6,7 +6,7 @@
   = s_('Pipeline|Run Pipeline')
 %hr
 
-- if Feature.enabled?(:new_pipeline_form, @project, default_enabled: true)
+- if Feature.enabled?(:new_pipeline_form, @project, default_enabled: :yaml)
   #js-new-pipeline{ data: { project_id: @project.id,
     pipelines_path: project_pipelines_path(@project),
     config_variables_path: config_variables_namespace_project_pipelines_path(@project.namespace, @project),