My bedrock entity is showing as its vanilla form

[clever charm]

iirc the entity wizard stuff creates an entirely new mob + spawn egg that you can give behaviour to. I don't believe you can edit other create models with it (although thats still very doable)

look in the spawn menu for the mob egg of what you added

[steady bobcat]

did you export the geometry

make sure it isn't using the same geometry identifier as the normal mc wolf