OpenSit

Changelog:

• Now it supports 1.20-1.21.4
• When a player sitting on a full block reconnected to the server, it would rise. Now it will still sit in place.
• Piston listeners have been rewritten.

Tested on:

• PaperMC 1.20.1
• Purpur 1.20.4
• PaperMC 1.20.6
• PaperMC 1.21 (Build 57)
• PaperMC 1.21.1 (Build 74)
• Purpur 1.21.3 (Build 2358)
• PaperMC 1.21.4 (Build 31)

Full Changelog: https://github.com/illa4257/OpenSit/compare/v1.0.3-PaperMC-1.20.1...v1.0.4-PaperMC