Fix adding prime locations to final disallowed areas
Fix adding prime locations to final disallowed areas

They were added to several intermediary variables, but not to the final result.

Contributes to issue CURA-2625.

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