Dynamically get file system entries on tree expand only if we're of source FileSystem

LANCommander/Components/FileManagerComponents/FileManager.razor

@@ -286,6 +286,8 @@
     }
 
     async Task ExpandTree(TreeEventArgs<FileManagerDirectory> args)
+    {
+        if (Source == FileManagerSource.FileSystem)
         {
             var directory = (FileManagerDirectory)args.Node.DataItem;
 
@@ -301,6 +303,7 @@
                 child.PopulateChildren(paths);
             }
         }
+    }
 
     async Task UpdateEntries()
     {