Slot Orientation problem with new beta windows s4s

I work with making custom plants for the Sims 4, and I tend to edit the Slot Orientation to make the harvestables spawn just the way I like them to look. With the beta version of Sims4Studio, this once editable section is now greyed out. You can find this section within the warehouse tab, under the rig section, then clicking Edit Items for Bones. If this was intended, I need to know so I can make plans for which version of Sims4Studio I'll be using to make my plants in the future. Thank you!