Revert "Only let _modifier_ meshes through early-out. [CURA-6555]"
Revert "Only let _modifier_ meshes through early-out. [CURA-6555]"

This reverts commit 9fcd03c1fc6743ce357b513683f5c609ad4d0a0a.

Ultimaker/CuraEngine,Ultimaker/CuraEngine