start edits from cmd + up and arrows and enter (microsoft#253060)

navigated edits using enter

Author: justschen

src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingActions.ts

@@ -340,7 +340,6 @@ registerAction2(class RemoveAction extends Action2 {
 			item = widget?.getFocus();
 		}
 
-
 		if (!item) {
 			return;
 		}
@@ -426,6 +425,11 @@ registerAction2(class EditAction extends Action2 {
 			f1: false,
 			category: CHAT_CATEGORY,
 			icon: Codicon.edit,
+			keybinding: {
+				primary: KeyCode.Enter,
+				when: ContextKeyExpr.and(ChatContextKeys.inChatSession, EditorContextKeys.textInputFocus.negate()),
+				weight: KeybindingWeight.WorkbenchContrib,
+			},
 			menu: [
 				{
 					id: MenuId.ChatMessageTitle,
@@ -439,15 +443,16 @@ registerAction2(class EditAction extends Action2 {
 
 	async run(accessor: ServicesAccessor, ...args: any[]) {
 		let item: ChatTreeItem | undefined = args[0];
-		if (!item) {
-			return;
-		}
 		const chatWidgetService = accessor.get(IChatWidgetService);
 		const widget = chatWidgetService.lastFocusedWidget;
 		if (!isResponseVM(item) && !isRequestVM(item)) {
 			item = widget?.getFocus();
 		}
 
+		if (!item) {
+			return;
+		}
+
 		if (isRequestVM(item)) {
 			widget?.startEditing(item.id);
 		}