add back hidden flag

Author: liwilliam2021

webview-ui/src/components/chat/ChatRow.tsx

@@ -1073,7 +1073,7 @@ export const ChatRowContent = ({
 										<Button
 											variant="ghost"
 											size="icon"
-											className="shrink-0"
+											className="shrink-0 hidden"
 											disabled={isStreaming}
 											onClick={(e) => {
 												e.stopPropagation()