refactor(nocodb): adopt getList new format in Plugin.ts

packages/nocodb/src/lib/models/Plugin.ts

@@ -43,8 +43,10 @@ export default class Plugin implements PluginType {
   }
 
   static async list(ncMeta = Noco.ncMeta) {
-    let pluginList = await NocoCache.getList(CacheScope.PLUGIN, []);
+    const cachedList = await NocoCache.getList(CacheScope.PLUGIN, []);
-    if (!pluginList.length) {
+    let { list: pluginList } = cachedList;
+    const { isEmptyList } = cachedList;
+    if (!isEmptyList && !pluginList.length) {
       pluginList = await ncMeta.metaList2(null, null, MetaTable.PLUGIN);
       await NocoCache.setList(CacheScope.PLUGIN, [], pluginList);
     }