Fix sleeping pos desync

patches/server/Validate-ResourceLocation-in-NBT-reading.patch

@@ -52,6 +52,25 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
      }
  
      @Nullable
+diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
++++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
+@@ -0,0 +0,0 @@ public abstract class LivingEntity extends Entity implements Attackable {
+ 
+         if (nbt.contains("SleepingX", 99) && nbt.contains("SleepingY", 99) && nbt.contains("SleepingZ", 99)) {
+             BlockPos blockposition = new BlockPos(nbt.getInt("SleepingX"), nbt.getInt("SleepingY"), nbt.getInt("SleepingZ"));
+-
++            if (this.position().distanceToSqr(blockposition.getX(), blockposition.getY(), blockposition.getZ()) < 16 * 16) { // Paper - The sleeping pos will always also set the actual pos, so a desync suggests something is wrong
+             this.setSleepingPos(blockposition);
+             this.entityData.set(LivingEntity.DATA_POSE, Pose.SLEEPING);
+             if (!this.firstTick) {
+                 this.setPosToBed(blockposition);
+             }
++            } // Paper - The sleeping pos will always also set the actual pos, so a desync suggests something is wrong
+         }
+ 
+         if (nbt.contains("Brain", 10)) {
 diff --git a/src/main/java/net/minecraft/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/net/minecraft/world/entity/Mob.java