Fix image vs target_image typo
Fix image vs target_image typo

We were accidentally storing the object type for a target image as "image"

redhat-imaging/imagefactory,LalatenduMohanty/imagefactory,jmcabandara/imagefactory,henrysher/imagefactory,jmcabandara/imagefactory,redhat-imaging/imagefactory,LalatenduMohanty/imagefactory,henrysher/imagefactory