There are no Husk and Stray spawn eggs.
Steps:
1. Go to your creative inventory
2. Go to "Search" or "Misc"
3. In "Search" type "Husk" or "Stray"
3b. In "Misc" look for the spawn eggs.
4. There are no Husk/Stray spawn eggs, but in the snapshot there are.
Dupe of MC-103175