Fix rubocop warnings

modules/ldap_groups/app/controllers/ldap_groups/synchronized_filters_controller.rb

@@ -13,12 +13,12 @@ module LdapGroups
     layout "admin"
     menu_item :plugin_ldap_groups
 
+    def show; end
+
     def new
       @filter = SynchronizedFilter.new
     end
 
-    def show; end
-
     def end; end
 
     def destroy_info
@@ -80,14 +80,17 @@ module LdapGroups
     private
 
     def find_filter
-      @filter = SynchronizedFilter.find(params[:ldap_filter_id])
+      @filter = SynchronizedFilter.find(params.expect(:ldap_filter_id))
     end
 
     def permitted_params
-      params
-        .require(:synchronized_filter)
-        .permit(:filter_string, :name, :ldap_auth_source_id, :group_name_attribute, :sync_users, :base_dn,
-                :member_lookup_attribute)
+      params.expect(synchronized_filter: %i[filter_string
+                                            name
+                                            ldap_auth_source_id
+                                            group_name_attribute
+                                            sync_users
+                                            base_dn
+                                            member_lookup_attribute])
     end
   end
 end