Happy Ghast Legacy

# Happy Ghast Legacy This mod backport happy ghast from 25w15a. Key features: - Happy Ghast: Allow up to 4 players sit on it. - 16 colors harness. - Dried Ghast which can be found in nether fossil. - New music disc `Tears` For all features you can check out [Minecraft Wiki](https://minecraft.wiki/w/Happy_Ghast) Want to leash happy ghast? Try out this mod: More Leads ([CurseForge](https://www.curseforge.com/minecraft/mc-mods/moreleads) | [Modrinth](https://modrinth.com/mod/moreleads)) Want to make happy ghast texture like the right one in logo? Rename your happy ghast to `Kiki`! This mod will port to other versions after fully tested