Disabled multiple select for preconfigured connectors to avoid requesting bulk delete on them (#69459) (#69738)

Author: YulNaumenko

x-pack/plugins/triggers_actions_ui/public/application/sections/actions_connectors_list/components/actions_connectors_list.tsx

@@ -275,6 +275,7 @@ export const ActionsConnectorsList: React.FunctionComponent = () => {
               onSelectionChange(updatedSelectedItemsList: ActionConnectorTableItem[]) {
                 setSelectedItems(updatedSelectedItemsList);
               },
+              selectable: ({ isPreconfigured }: ActionConnectorTableItem) => !isPreconfigured,
             }
           : undefined
       }

x-pack/test/functional_with_es_ssl/apps/triggers_actions_ui/connectors.ts

@@ -189,6 +189,9 @@ export default ({ getPageObjects, getService }: FtrProviderContext) => {
 
       expect(await testSubjects.exists('deleteConnector')).to.be(false);
       expect(await testSubjects.exists('preConfiguredTitleMessage')).to.be(true);
+
+      const checkboxSelectRow = await testSubjects.find('checkboxSelectRow-my-server-log');
+      expect(await checkboxSelectRow.getAttribute('disabled')).to.be('true');
     });
 
     it('should not be able to edit a preconfigured connector', async () => {