Steps to reproduce
Open scene builder.
drop button on content panel.
Select root anchor pane by click on content panel. Push CTRL+A. Button will be selected
Select root anchor pane by click on hierarchy tree. Push CTRL+A. Button won't be selected
Open scene builder.
drop button on content panel.
Select root anchor pane by click on content panel. Push CTRL+A. Button will be selected
Select root anchor pane by click on hierarchy tree. Push CTRL+A. Button won't be selected