agents - hide accounts menu from floating windows (#310696)

Author: bpasero

src/vs/sessions/contrib/accountMenu/browser/account.contribution.ts

@@ -809,6 +809,7 @@ class AccountWidgetContribution extends Disposable implements IWorkbenchContribu
 						id: Menus.TitleBarRightLayout,
 						group: 'navigation',
 						order: 100,
+						when: IsAuxiliaryWindowContext.toNegated(),
 					}
 				});
 			}