fix: rerender chat request context attachments when references are re…

…ported (#223100)

src/vs/workbench/contrib/chat/browser/chatWidget.ts

@@ -412,7 +412,10 @@ export class ChatWidget extends Disposable implements IChatWidget {
 							// be re-rendered so progressive rendering is restarted, even if the model wasn't updated.
 							`${isResponseVM(element) && element.renderData ? `_${this.visibleChangeCount}` : ''}` +
 							// Re-render once content references are loaded
-							(isResponseVM(element) ? `_${element.contentReferences.length}` : '');
+							(isResponseVM(element) ? `_${element.contentReferences.length}` : '') +
+							// Rerender request if we got new content references in the response 
+							// since this may change how we render the corresponding attachments in the request
+							(isRequestVM(element) && element.contentReferences ? `_${element.contentReferences?.length}` : '');
 					},
 				}
 			});