Manage [xy]align and [xy]expand for all widgets
Like in sao the attributes are managed by the container when the widget is added.
Closes #12724
This instance will be upgraded to Heptapod 18.5.1 on 2025-11-13 between 17:00 and 18:00 UTC+2
Like in sao the attributes are managed by the container when the widget is added.
Closes #12724