daoge

bug: an concurrent error when there are a lot of entities

1

``` java.util.concurrent.CompletionException: java.util.concurrent.CompletionException: java.lang.IllegalStateException: Trying to set a chunk (-276,-94) which is already loaded at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62) ~[?:?] at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502) ~[?:?] at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486) ~[?:?] at java.base/java.util.concurrent.ForkJoinTask.getThrowableException(ForkJoinTask.java:540) ~[?:?] at java.base/java.util.concurrent.ForkJoinTask.reportException(ForkJoinTask.java:567) ~[?:?] at...

## Block - [x] BlockNeighborUpdateEvent - [x] BlockScheduleUpdateEvent - [x] BlockRandomUpdateEvent - [x] BlockFallEvent - [ ] BlockExplodeEvent - [x] BlockFadeEvent - [x] BlockSpreadEvent - [ ] BlockRedstoneEvent - [x]...

### Layered Permission System In the current permission system of Allay, each player only holds one permission tree. When switching modes, we need to frequently set some permissions, such as...