Add ... (microsoft#251350)

Fix microsoft/vscode-copilot#18203

Author: roblourens

src/vs/workbench/contrib/chat/browser/promptSyntax/chatModeActions.ts

@@ -26,8 +26,8 @@ class ManageModeAction extends Action2 {
 	constructor() {
 		super({
 			id: COMFIGURE_MODES_ACTION_ID,
-			title: localize2('configure-modes', "Configure Chat Modes"),
-			shortTitle: localize('manage-mode', "Configure Modes"),
+			title: localize2('configure-modes', "Configure Chat Modes..."),
+			shortTitle: localize('manage-mode', "Configure Modes..."),
 			icon: Codicon.bookmark,
 			f1: true,
 			precondition: ContextKeyExpr.and(PromptsConfig.enabledCtx, ChatContextKeys.enabled),