Fix mouseup listener cleanup when dragging in text editor
Fix mouseup listener cleanup when dragging in text editor

PKRoma/atom,Arcanemagus/atom,brettle/atom,ardeshirj/atom,Arcanemagus/atom,Mokolea/atom,liuderchi/atom,PKRoma/atom,t9md/atom,FIT-CSE2410-A-Bombs/atom,stinsonga/atom,andrewleverette/atom,andrewleverette/atom,brettle/atom,Arcanemagus/atom,ardeshirj/atom,atom/atom,Mokolea/atom,liuderchi/atom,PKRoma/atom,FIT-CSE2410-A-Bombs/atom,kevinrenaers/atom,Mokolea/atom,FIT-CSE2410-A-Bombs/atom,stinsonga/atom,kevinrenaers/atom,stinsonga/atom,liuderchi/atom,andrewleverette/atom,t9md/atom,brettle/atom,t9md/atom,liuderchi/atom,atom/atom,stinsonga/atom,ardeshirj/atom,kevinrenaers/atom,atom/atom