Alex's Caves (Unofficial Port)

Rendering fixes:

• Added x-ray render type for Raycat bones (visible through walls)
• Fixed Gummy Bear baby scaling and ARGB color handling
• Fixed Candicorn horn and particle rendering
• Fixed StunStarParticle rendering

Entity fixes:

• Fixed GumWorm segment collision and AABB handling
• Fixed DeepOne entities now don't drown in water
• Fixed Corrodent path navigation for proper mob behavior
• Fixed LimestoneSpear entity spawning and damage

Worldgen/Structure fixes:

• Added ACBiomeRarity checks to structures (AbyssalRuins, DonutArch, SodaBottle)
• Removed primordial_caves_lake feature (replaced with different implementation)
• Fixed structure biome configuration for candy cavity biomes
• Added is_candy_cavity biome tag

Other:

• Updated build.gradle dependencies
• Various data file cleanup and organization