Veyas Hardcore Mobs - Zombies

- Dash ability is finally fixed and working (bug fix).
- Additional fixes were added to dash; for example, zombies can no longer jump at a player standing next to them immediately after spawning.
- Zombies can dash vertically or horizontally depending on the player’s position.
- Zombies cannot dash for 2 seconds after taking damage.

- Zombie speed has been increased by 10% at the start, but the maximum speed remains the same.
- Child zombies are affected much less by mutation speed bonuses.
- Child zombies receive only 50% of the randomized health buff compared to adults. They also benefit less from mutation levels, and long-term buffs are disabled for them.
(Mutations have two metrics: short-term and long-term. Short-term is health + (mutation × bonus health). Long-term buffs are granted after crossing certain thresholds.)

- Fleshspire zombies no longer emit smoke particles; instead, they swing their arms and twitch their heads very often and randomly.
- When hit, Fleshspire zombies emit particles.
- Fleshspire zombies now have a 25% chance to spawn instead of 10%.
- The Regeneration effect removes Fleshspire.

- Zombies have short aggression: they have a chance to change targets if something is nearby.
This only affects nearby Players, Villagers, and Iron Golems.