Loot Bag - Renewed (Fixed Version)

1. Fixed 20+ issues.
2. Fixed bags dropping when killing players or armor stands.
3. Fixed bags being swallowed on exceptions in the bag-opening loop.
4. Fixed duplicate probability and exception issues.
5. Startup prewarming is now only performed on the server side.
6. Eliminated thread safety hazards.
7. Added a config for villager/iron golem bag drops; default is no drop.
8. Removed redundant checks.
9. Fixed probability overflow, preventing bags from never dropping.
10. Cleaned up unused code and duplicate logic.

1.修复20多个问题；
2.修复杀玩家/盔甲架掉包问题；
3.修复开包循环里异常吞包问题；
4.修复重复概率和异常问题；
5.启动预热只在服务端做；
6.清除线程安全隐患；
7.为村民/铁傀儡掉包添加配置，默认不掉包；
8.清除冗余判断；
9.修复概率溢出问题，避免不掉包；
10.清理无用代码和重复逻辑。