* add NonDeleted
* make test:all script run tests without prompt
* rename helper
* replace with helper
* make element contructors return nonDeleted elements
* cache filtered elements where appliacable for better perf
* rename manager element getter
* remove unnecessary assertion
* fix test
* make element types in resizeElement into nonDeleted
Co-authored-by: dwelle <luzar.david@gmail.com>
* Add a icon for dulplication
* Add PanelComponent for duplication
* Add duplicate button for mobile
* Add styles for layout action buttons
* Add a translation for 'Actions'
* Show left action buttons only for desktop
* Add duplicate button at the bottom of mobile
It is provided depending on whether or not it is `multiElement` to maintain space between buttons.
