[WinUI, Shell] Implement BackButtonBehavior

[PureWeen]

Description

BackButtonBehavior

• Command
• CommandProperty
• IconOverride
• IsEnabled
• IsVisible
• TextOverride

Basic Information

• Platform Target Frameworks:
  • WinUI:

[jsuarezruiz]

I don't notice any difference changing the BackButtonBehavior property.

cc @PureWeen

Hi @PureWeen. We have added the "s/needs-info" label to this issue, which indicates that we have an open question for you before we can take further action. This issue will be closed automatically in 7 days if we do not hear back from you by then - please feel free to re-open it if you come back to this issue after that time.