Combobox SelectedValue = null DisplayMember not match #21010
Description
Describe the bug
When the initial value of SelectedValue is null, the combobox does not have any option selected
To Reproduce
[ObservableProperty]
public List _comboboxItmes = new List()
{
new (){Id = null, Name = "All"},
new (){Id = 1, Name = "OPTION1"},
new (){Id = 2, Name = "OPTION2"}
};
[ObservableProperty]
private int? _comboboxSelectedValue = null;
Expected behavior
No response
Avalonia version
11.3.12
OS
Windows
Additional context
No response