BabyFire

Results 2 issues of BabyFire

## Context When modifying product properties, a blank property will be added automatically. ## Expected Behavior Do not automatically add product properties,add it manually instead. ## Steps to Reproduce ![edit](https://github.com/spree/spree/assets/26229604/e67f8c11-cbe7-4621-bd27-2add71893c60)...