YVanish

• fixed mobs still targeting the player after vanishing (#3)

• added full support for 1.21.4

• added connection check before sending an action bar, hopefully fixing #1

• added compatibility option for EssentialsX
• and fake join/quit feature

• Disabled paper remapping
• Fixed onlineplayers placeholder not working

• Fixed mysql database not working
• Fixed sitting cat detection

Added option to prevent mobs from staring at a vanished player.