Merge branch 'ajk-move-admin-board-group-policies' into 'master'

Resolve "FOSS broken `master` due to spec/requests/api/group_boards_spec.rb" [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!51502

app/policies/group_policy.rb

@@ -122,6 +122,7 @@ class GroupPolicy < BasePolicy
   rule { reporter }.policy do
     enable :reporter_access
     enable :read_container_image
+    enable :admin_board
     enable :admin_label
     enable :admin_list
     enable :admin_issue

ee/app/policies/ee/group_policy.rb

@@ -129,7 +129,6 @@ module EE
 
       rule { reporter }.policy do
         enable :admin_list
-        enable :admin_board
         enable :view_productivity_analytics
         enable :view_type_of_work_charts
         enable :read_group_timelogs

spec/support/shared_contexts/policies/group_policy_shared_context.rb

@@ -23,6 +23,7 @@ RSpec.shared_context 'GroupPolicy context' do
   let(:reporter_permissions) do
     %i[
         admin_label
+        admin_board
         read_container_image
         read_metrics_dashboard_annotation
         read_prometheus