Expose grouping options from 'Task Manager' to 'Icons-only Task Manager'.
Also disable the behavior of compressing the tasks before grouping them together,
when taskbar is vertical or Icons-only,Prevents compressing task's icons below the desired size, before grouping when vertical. forWhile it allows to cut text when task bar is horizontal.
Gives a more uniform look and behavior.
Bug: 368430
Bug: 408437, when the taskbar is vertical and icons determine the size of the task button.