refactor: review suggestions

packages/nocodb/src/models/Model.ts

@@ -237,11 +237,6 @@ export default class Model implements TableType {
     let { list: modelList } = cachedList;
     const { isNoneList } = cachedList;
 
-    let condition;
-    if(source_id){
-      condition = { source_id }
-    }
-
     if (!isNoneList && !modelList.length) {
       modelList = await ncMeta.metaList2(
         context.workspace_id,
@@ -251,7 +246,7 @@ export default class Model implements TableType {
           orderBy: {
             order: 'asc',
           },
-          condition,
+          ...(source_id ? { condition: { source_id } } : {}),
         },
       );