Fix #50: Run potential job site access on poi thread

Author: PureGero

shreddedpaper-server/minecraft-patches/sources/net/minecraft/world/entity/ai/behavior/GoToPotentialJobSite.java.patch

@@ -0,0 +1,26 @@
+--- a/net/minecraft/world/entity/ai/behavior/GoToPotentialJobSite.java
++++ b/net/minecraft/world/entity/ai/behavior/GoToPotentialJobSite.java
+@@ -2,6 +_,8 @@
+ 
+ import com.google.common.collect.ImmutableMap;
+ import java.util.Optional;
++
++import io.multipaper.shreddedpaper.ShreddedPaper;
+ import net.minecraft.core.BlockPos;
+ import net.minecraft.core.GlobalPos;
+ import net.minecraft.server.level.ServerLevel;
+@@ -45,12 +_,14 @@
+             BlockPos blockPos = globalPos.pos();
+             ServerLevel level1 = level.getServer().getLevel(globalPos.dimension());
+             if (level1 != null) {
++                ShreddedPaper.ensureSync(level, blockPos, () -> { // ShreddedPaper - run on poi's region
+                 PoiManager poiManager = level1.getPoiManager();
+                 if (poiManager.exists(blockPos, holder -> true)) {
+                     poiManager.release(blockPos);
+                 }
+ 
+                 level.debugSynchronizers().updatePoi(blockPos);
++                }); // ShreddedPaper - run on poi's region
+             }
+         });
+         entity.getBrain().eraseMemory(MemoryModuleType.POTENTIAL_JOB_SITE);

shreddedpaper-server/minecraft-patches/sources/net/minecraft/world/entity/ai/behavior/YieldJobSite.java.patch

@@ -0,0 +1,19 @@
+--- a/net/minecraft/world/entity/ai/behavior/YieldJobSite.java
++++ b/net/minecraft/world/entity/ai/behavior/YieldJobSite.java
+@@ -2,6 +_,8 @@
+ 
+ import java.util.List;
+ import java.util.Optional;
++
++import ca.spottedleaf.moonrise.common.util.TickThread;
+ import net.minecraft.core.BlockPos;
+ import net.minecraft.core.GlobalPos;
+ import net.minecraft.core.Holder;
+@@ -33,6 +_,7 @@
+                             return false;
+                         } else {
+                             BlockPos blockPos = instance.<GlobalPos>get(potentialJobSite).pos();
++                            if (!TickThread.isTickThreadFor(level, blockPos)) return true; // ShreddedPaper - don't run outside poi region
+                             Optional<Holder<PoiType>> type = level.getPoiManager().getType(blockPos);
+                             if (type.isEmpty()) {
+                                 return true;