app object list

packages/web/src/widgets/ConnectionList.svelte

@@ -8,6 +8,7 @@
   import AppObjectList from '../appobj/AppObjectList.svelte';
   import * as connectionAppObject from '../appobj/ConnectionAppObject.svelte';
   import SubDatabaseList from '../appobj/SubDatabaseList.svelte';
+  import { openedConnections } from '../stores';
 
   const connections = useConnectionList();
   const serverStatus = useServerStatus();
@@ -30,6 +31,7 @@
     module={connectionAppObject}
     subItemsComponent={SubDatabaseList}
     expandOnClick
+    isExpandable={data => $openedConnections.includes(data._id)}
     {filter}
   />
 </WidgetsInnerContainer>