Description
In an app that:
A) hides the native titlebar
B) does not use a sidebar
the ToolBar.title widget collides with the window controls, like so:

Code sample
MacosWindow(
child: MacosScaffold(
toolBar: const ToolBar(
title: Text('App'),
),
children: [
ContentArea(
builder: (context, _) {
return const SizedBox.shrink();
},
),
],
),
),