Default `group_members_filtered_search` FF to `on`

Default `group_members_filtered_search` feature flag to `on`

app/controllers/groups/group_members_controller.rb

@@ -15,7 +15,7 @@ class Groups::GroupMembersController < Groups::ApplicationController
   before_action :authorize_admin_group_member!, except: admin_not_required_endpoints
 
   before_action do
-    push_frontend_feature_flag(:group_members_filtered_search, @group)
+    push_frontend_feature_flag(:group_members_filtered_search, @group, default_enabled: true)
   end
 
   skip_before_action :check_two_factor_requirement, only: :leave

app/views/groups/group_members/index.html.haml

@@ -4,7 +4,7 @@
 - show_access_requests = can_manage_members && @requesters.exists?
 - invited_active = params[:search_invited].present? || params[:invited_members_page].present?
 - vue_members_list_enabled = Feature.enabled?(:vue_group_members_list, @group, default_enabled: true)
-- filtered_search_enabled = Feature.enabled?(:group_members_filtered_search, @group)
+- filtered_search_enabled = Feature.enabled?(:group_members_filtered_search, @group, default_enabled: true)
 - current_user_is_group_owner = @group && @group.has_owner?(current_user)
 
 - form_item_label_css_class = 'label-bold gl-mr-2 gl-mb-0 gl-py-2 align-self-md-center'

changelogs/unreleased/289911-feature-flag-rollout-of-group_members_filtered_search.yml

+---
+title: Convert group member filter dropdowns to filtered search bar
+merge_request: 49505
+author:
+type: changed

config/feature_flags/development/group_members_filtered_search.yml

@@ -5,4 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/289911
 milestone: '13.7'
 type: development
 group: group::access
-default_enabled: false
+default_enabled: true