It should be fine, leaf's should come out later.

This is Trailman Crab, a yearly producer, you can not avoid scion without
flower butts.
Konrad
{{gwi:116219}}

If I see them bloom and become very vigorous, I even let them fruit so to slow them down. Yes, I've had several cases where I got fruits the same year they have been grafted, and doesn't affect their vigor at all. My stock tree is mature already.