Focus trap inconsistency between Listbox and Combobox

[Taelar]

Greetings,

I've been experiencing some inconsistent focus behavior and wanted to know if it was the intended behavior or a bug.

Repro link : CodeSandbox

To sum it up, when I try to focus an input (though JS) after an option selection, the focus is correctly given to the input when using a Combobox, but when using a Listbox, the focus stays trapped on the listbox element.

For the demo I've been using deprecated APIs (i.e. Combobox.Button) but the problem is the same when using v2 APIs (i.e. ComboboxButton).
Experienced this on both Firefox 127.0 and Chromium 121.0.6128.0.

So my question is : Is this difference intended or possibly a bug ?

Thank you for yours answers :)