Fixes: NB#263867 - Long press is not recognized when page is autoscrolling very slowly
Fixes: NB#263867 - Long press is not recognized when page is autoscrolling very slowly

Revby: Daniel d'Andrada
ModifiedBy: Daniel d'Andrada - update code comment
Details:
Fix introduces velocity threshold for tap and hold gesture. Normally when
animation is running tap and hold gestures are ignored, but sometimes animation
is still running but scrolling velocity is small and movement almost unnoticeable.
Velocity threshold allows to accept tap and hold when scrolling velocity is
below threshold. Similar to what was done for mouse press events and uses the same
property for velocity threshold.

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