Move message hide into terminate function
Move message hide into terminate function

Always if we terminate we want to hide the old message. This fixes the message not hiding when using the tools.

Contributes to issue CURA-1278.

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