Ignore enter notify events in draw_presel_feedback
Ignore enter notify events in draw_presel_feedback

Fixes #474.

medisun/bspwm,nfnty/bspwm,medisun/bspwm,nfnty/bspwm,JBouron/bspwm,JBouron/bspwm,baskerville/bspwm,medisun/bspwm,JBouron/bspwm,nfnty/bspwm,baskerville/bspwm