* consolidate dialog focus trap logic
* add shift-tab support to focustrap
* remove redundant null check of trap element
Co-authored-by: GeoSot <geo.sotis@gmail.com>
* remove area support forom focusableChildren
* fix no expectations warning in focustrap tests
Co-authored-by: GeoSot <geo.sotis@gmail.com>
Co-authored-by: XhmikosR <xhmikosr@gmail.com>