fix hanging request hover (microsoft#255961)

Author: justschen

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

@@ -1305,7 +1305,7 @@ export class ChatListItemRenderer extends Disposable implements ITreeRenderer<Ch
 						this._onDidClickRequest.fire(templateData);
 					}
 				}));
-				this._register(this.hoverService.setupManagedHover(getDefaultHoverDelegate('element'), markdownPart.domNode, localize('requestMarkdownPartTitle', "Click to edit"), { trapFocus: true }));
+				this._register(this.hoverService.setupManagedHover(getDefaultHoverDelegate('element'), markdownPart.domNode, localize('requestMarkdownPartTitle', "Click to Edit"), { trapFocus: true }));
 			}
 			markdownPart.addDisposable(dom.addDisposableListener(markdownPart.domNode, dom.EventType.FOCUS, () => {
 				this.hoverVisible(templateData.requestHover);

src/vs/workbench/contrib/chat/browser/media/chat.css

@@ -2062,7 +2062,7 @@ have to be updated for changes to the rules above, or to support more deeply nes
 			outline: 1px solid var(--vscode-focusBorder);
 		}
 
-		.request-hover {
+		.request-hover:not(.has-no-actions) {
 			display: block;
 		}
 	}