[AGE-357] [bug] Removing a variant used in an A/B test evaluation breaks the human evaluation view

[mmabrouk]

To reproduce see video:

https://jam.dev/c/f9d34967-7924-4a44-a1ed-f35fe1325bcb

If you create an A/B human evaluation between two variants, then remove one of the variant, the view listing the a/b human evaluations stop working

_{From SyncLinear.com | AGE-357}