Two ways to solve the issue.
1: Expand a section and then select a sub-section to view only the morphs for that body part:

2: Click on the "Show Sub-item" icon in the bottom left corner and this will show every morph.
Gerry
System: Win 10 Pro (21H2), Asus X99-E WS, CPU i7-5930K -3,5 GHz, 32 GB DDR4 2666-16 RAM, NVidia GTX 1080 Ti GPU - 11 GB VRAM(Driver Studio-536.99), Samsung 850 Pro 512 GB SSD, 6 TB HD storage.