fix: prevent duplicate data in calendar and kanban views

- Skip PluginObjectView data fetch when renderListView handles its own data,
  eliminating wasteful parallel fetches and re-renders that cause duplicate records
- Add results.value (OData format) handling to ListView data extraction

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>
Agent-Logs-Url: https://github.com/objectstack-ai/objectui/sessions/c52a20c8-22a2-4511-85ed-d8bc9fd98fdc

Author: Copilot

packages/plugin-list/src/ListView.tsx

@@ -661,6 +661,8 @@ export const ListView: React.FC<ListViewProps> = ({
               items = (results as any).data; 
            } else if (Array.isArray((results as any).records)) {
               items = (results as any).records;
+           } else if (Array.isArray((results as any).value)) {
+              items = (results as any).value;
            }
         }
 

packages/plugin-view/src/ObjectView.tsx

@@ -292,8 +292,12 @@ export const ObjectView: React.FC<ObjectViewProps> = ({
     let isMounted = true;
 
     const fetchData = async () => {
+      // When renderListView is provided, the custom list view (e.g. ListView)
+      // handles its own data fetching — skip to avoid duplicate requests and
+      // unnecessary re-renders that can cause duplicate records in child views.
+      if (renderListView) return;
       // Only fetch for non-grid views (ObjectGrid has its own data fetching)
-      if (currentViewType === 'grid' && !renderListView) return;
+      if (currentViewType === 'grid') return;
       if (!dataSource || !schema.objectName) return;
 
       setLoading(true);