Update extensions/ql-vscode/src/databases/ui/db-tree-data-provider.ts

Co-authored-by: Charis Kyriakou <charisk@users.noreply.github.com>

extensions/ql-vscode/src/databases/ui/db-tree-data-provider.ts

@@ -42,7 +42,7 @@ export class DbTreeDataProvider implements TreeDataProvider<DbTreeViewItem> {
     void logger.log(`Creating database tree with ${dbItems.length} items`);
 
     // Add a sample warning as a proof of concept.
-    const errorTreeViewItem = createDbTreeViewItemWarning(
+    const warningTreeViewItem = createDbTreeViewItemWarning(
       'There was an error',
       'Fix it'
     );