Unlike other tables, Gate tree-table doesn't automatically select next elements
if the currently selected element is removed/moved,
but "Remove element" action stays active.
This leads to assertion error if "Remove element" action is activated
without a selected element in the gate table.
Unlike other tables, Gate tree-table doesn't automatically select next elements if the currently selected element is removed/moved, but "Remove element" action stays active. This leads to assertion error if "Remove element" action is activated without a selected element in the gate table.