Fixes: NB#225458 - Screen does not get updated fast for VKB
Fixes: NB#225458 - Screen does not get updated fast for VKB

- mapRequestEvent(): explicitly enable damage tracking if prop cache exists

nemomobile-graveyard/mcompositor,nemomobile-graveyard/mcompositor,nemomobile-graveyard/mcompositor,nemomobile-graveyard/mcompositor,nemomobile-graveyard/mcompositor,nemomobile-graveyard/mcompositor