Resolve new EE specific differences in app/

This resolves all new/missed EE specific differences in the app/
directory.

app/controllers/projects/project_members_controller.rb

@@ -7,7 +7,6 @@ class Projects::ProjectMembersController < Projects::ApplicationController
 
   # Authorize
   before_action :authorize_admin_project_member!, except: [:index, :leave, :request_access]
-  before_action :check_membership_lock!, only: [:create, :import, :apply_import]
 
   # rubocop: disable CodeReuse/ActiveRecord
   def index
@@ -51,8 +50,6 @@ class Projects::ProjectMembersController < Projects::ApplicationController
 
   # MembershipActions concern
   alias_method :membershipable, :project
-
-  def check_membership_lock!
-    access_denied!('Membership is locked by group settings') if membership_locked?
-  end
 end
+
+Projects::ProjectMembersController.prepend_if_ee('EE::Projects::ProjectMembersController')

app/models/list.rb

@@ -2,7 +2,6 @@
 
 class List < ApplicationRecord
   prepend ::EE::List # rubocop: disable Cop/InjectEnterpriseEditionModule
-  include Importable
 
   belongs_to :board
   belongs_to :label

app/models/merge_request_diff.rb

@@ -162,7 +162,7 @@ class MergeRequestDiff < ApplicationRecord
     # Another set of `after_save` hooks will be called here when we update the record
     save
     # We need to reset so that dirty tracking is reset when running the original set
-    # of `after_save` hooks that come after this 'after_create` hook. Otherwise, the
+    # of `after_save` hooks that come after this `after_create` hook. Otherwise, the
     # hooks that run when an attribute was changed are run twice.
     reset
 

app/policies/group_policy.rb

@@ -75,7 +75,6 @@ class GroupPolicy < BasePolicy
   end
 
   rule { maintainer }.policy do
-    enable :maintainer_access
     enable :create_projects
     enable :admin_pipeline
     enable :admin_build
@@ -87,7 +86,6 @@ class GroupPolicy < BasePolicy
   end
 
   rule { owner }.policy do
-    enable :owner_access
     enable :admin_group
     enable :admin_namespace
     enable :admin_group_member

app/serializers/discussion_serializer.rb

@@ -10,8 +10,6 @@ class DiscussionSerializer < BaseSerializer
   private
 
   def with_additional_opts(opts)
-    return opts unless @request.project
-
     additional_opts = {
       submodule_links: Gitlab::SubmoduleLinks.new(@request.project.repository)
     }
@@ -19,3 +17,5 @@ class DiscussionSerializer < BaseSerializer
     opts.merge(additional_opts)
   end
 end
+
+DiscussionSerializer.prepend_if_ee('EE::DiscussionSerializer')

app/serializers/issue_board_entity.rb

@@ -2,7 +2,7 @@
 
 class IssueBoardEntity < Grape::Entity
   include RequestAwareEntity
-  prepend ::EE::IssueBoardEntity # rubocop: disable Cop/InjectEnterpriseEditionModule
+  include TimeTrackableEntity
 
   expose :id
   expose :iid
@@ -50,3 +50,5 @@ class IssueBoardEntity < Grape::Entity
     project_labels_path(issue.project, format: :json, include_ancestor_groups: true)
   end
 end
+
+IssueBoardEntity.prepend_if_ee('EE::IssueBoardEntity')

ee/app/controllers/ee/projects/project_members_controller.rb

+# frozen_string_literal: true
+
+module EE
+  module Projects
+    module ProjectMembersController
+      extend ActiveSupport::Concern
+
+      prepended do
+        before_action :check_membership_lock!, only: [:create, :import, :apply_import]
+      end
+
+      def check_membership_lock!
+        access_denied!('Membership is locked by group settings') if membership_locked?
+      end
+    end
+  end
+end

ee/app/policies/ee/group_policy.rb

@@ -48,6 +48,11 @@ module EE
 
       rule { maintainer }.policy do
         enable :create_jira_connect_subscription
+        enable :maintainer_access
+      end
+
+      rule { owner }.policy do
+        enable :owner_access
       end
 
       rule { can?(:read_group) & contribution_analytics_available }

ee/app/serializers/ee/discussion_serializer.rb

+# frozen_string_literal: true
+
+module EE
+  module DiscussionSerializer
+    extend ActiveSupport::Concern
+    extend ::Gitlab::Utils::Override
+
+    override :with_additional_opts
+    # rubocop:disable Gitlab/ModuleWithInstanceVariables
+    def with_additional_opts(opts)
+      return opts unless @request.project
+
+      super
+    end
+    # rubocop:enable Gitlab/ModuleWithInstanceVariables
+  end
+end