Ability to cancel Perspective Crop tool

Simple feat request: the ability to cancel  a perspective crop by hitting ESC.

When I do a perspective crop, I sometimes click on a wrong point by accident or otherwise wish to abort the crop action. I instinctively hit the ESC button, which would normally cancel most actions, but it does not work unfortunately.  One has to finish the sequence of setting four point.

(Yes I'm aware you can change the position of the point afterwards, but if a point is way off you can sometimes lose orentation and it is much faster just to cancel and start over)