Fixes firework being overridden with a black creeper face

[joserobjr]

Fixes #397

• Default fireworks does not have a default NBT tag anymore
• When an entity firework is created without a firework data, it defaults to the old black creeper that was being used by default in the item's NBT tags.
• Fixed firework spawn position when fired by dispensers
• Fixed dispensers always dispensing black creeper fireworks
• Fixed grabbing fireworks from creative and firing it would fire a black creeper firework.

[joserobjr]

Self-reviewed