[MC-272659] Entity data is no longer applied to baby mobs spawned by using a spawn egg on an adult mob

When a spawn egg has custom entity data, using it on an adult mob no longer applies that data to the summoned baby mob.

Get a custom spawn egg

/give @s minecraft:husk_spawn_egg[minecraft:entity_data={id:"minecraft:husk",HasVisualFire:1,NoAI:1b}]

Spawn an adult husk
Use the spawn egg on the adult mob
Check if the baby mob has the HasVisualFire and/or NoAI tags:
```
/data get entity @n[type=minecraft:husk,nbt={IsBaby:1b}]
```

Expected behavior: The tags are applied to the baby as well.

Actual behavior: The custom tags are not applied to the baby.

Linked issues

Can confirm

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We're tracking this issue in MC-98154, so this ticket is being resolved and linked as a duplicate.

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