Use a simpler fix for dealing with QML Action's shortcuts not working
Use a simpler fix for dealing with QML Action's shortcuts not working

It is a bit more magical (hence the added documentation) but it makes
things a lot more transparent. This prevents a lot of future issues.

Contributes to CURA-1603

fieldOfView/Cura,Curahelper/Cura,ynotstartups/Wanhao,ynotstartups/Wanhao,totalretribution/Cura,Curahelper/Cura,senttech/Cura,totalretribution/Cura,hmflash/Cura,hmflash/Cura,fieldOfView/Cura,senttech/Cura