feat(nc-gui): show bulk operation for v2 hooks only

packages/nc-gui/components/webhook/Editor.vue

@@ -179,10 +179,14 @@ const eventList = [
   { text: ['After', 'Insert'], value: ['after', 'insert'] },
   { text: ['After', 'Update'], value: ['after', 'update'] },
   { text: ['After', 'Delete'], value: ['after', 'delete'] },
+  ...(hook.version === 'v2'
+    ? [
         { text: ['After', 'Bulk Insert'], value: ['after', 'bulkInsert'] },
         { text: ['After', 'Bulk Update'], value: ['after', 'bulkUpdate'] },
         { text: ['After', 'Bulk Delete'], value: ['after', 'bulkDelete'] },
       ]
+    : []),
+]
 
 const notificationList = computed(() => {
   return appInfo.isCloud