Firework Rockets can't be used to break Chorus Flowers

The Bug

Despite being a type of projectile, Firework Rockets can't be used to break Chorus Flowers.

Reproduce

• Get some firework rockets
• Load them into a crossbow
• Shoot a Chorus Flower
  Notice that the Chorus Flower doesn't break

Potential Fix

Adding this to the #impact_projectiles entity tag should fix this issue.