Lithium 0.12.7 for Minecraft 1.21

Lithium 0.12.7 fixes a few issues like sculk sensors not working after a chunk reload, too few chickens spawning from thrown eggs, fluids flowing towards the wrong hole and hopper minecarts making inventories have incorrect signal strengths.
In case you find any bugs, please report them at the issue tracker. You can check https://github.com/CaffeineMC/lithium-fabric/blob/mc1.21-0.12.7/lithium-mixin-config.md for a description of each optimization and how to disable it.

What's changed

• fix: fluid flow using incorrect direction in bfs
  • Affected all fluid flowing (#526)
• fix: Item stack resurrection causing incorrect internal state of LithiumStackList
  • Affected comparators after hopper minecarts performed a failed item extraction attempt from the inventory (#524)
• fix: empty space search incorrectly returning space as fully occupied when completely empty
  • Affected thrown eggs, entity pose calculations and entity positioning inside nether portals (#525)
• fix: chunk reload causing game event dispatchers to not be registered
  • Affected all types of game event listeners (e.g. sculk sensors and catalysts, wardens, allays) (#522)