Add missing postChangeDimension override for PrimedTnt

Required so that the used portal flag is set, which prevents
the tnt from exploding the portal.

Author: Spottedleaf

folia-server/minecraft-patches/features/0001-Region-Threading-Base.patch

@@ -15745,7 +15745,7 @@ index 6c0ebfb2be4e8b884456a2aa3d5fdc87e45a0e3c..38f0aacba93236b8e5c19bb729326fea
          return entity;
      }
 diff --git a/net/minecraft/world/entity/item/PrimedTnt.java b/net/minecraft/world/entity/item/PrimedTnt.java
-index 5d23d8754b304d5e2fd54400cc81c7fe5c14a804..e6f58a8b1733ff902516fe374db691029d4bd79a 100644
+index 5d23d8754b304d5e2fd54400cc81c7fe5c14a804..c53d5cec9e46541e31c468699fe96e3d67811895 100644
 --- a/net/minecraft/world/entity/item/PrimedTnt.java
 +++ b/net/minecraft/world/entity/item/PrimedTnt.java
 @@ -101,8 +101,8 @@ public class PrimedTnt extends Entity implements TraceableEntity {
@@ -15768,6 +15768,31 @@ index 5d23d8754b304d5e2fd54400cc81c7fe5c14a804..e6f58a8b1733ff902516fe374db69102
              if (ete != null) {
                  net.minecraft.network.protocol.game.ClientboundSetEntityMotionPacket velocityPacket = new net.minecraft.network.protocol.game.ClientboundSetEntityMotionPacket(this);
                  net.minecraft.network.protocol.game.ClientboundTeleportEntityPacket positionPacket = net.minecraft.network.protocol.game.ClientboundTeleportEntityPacket.teleport(this.getId(), net.minecraft.world.entity.PositionMoveRotation.of(this), java.util.Set.of(), this.onGround);
+@@ -235,13 +235,21 @@ public class PrimedTnt extends Entity implements TraceableEntity {
+     @Override
+     public Entity teleport(TeleportTransition teleportTransition) {
+         Entity entity = super.teleport(teleportTransition);
+-        if (entity instanceof PrimedTnt primedTnt) {
+-            primedTnt.setUsedPortal(true);
+-        }
++        // Folia - region threading - move to post change
+ 
+         return entity;
+     }
+ 
++    // Folia start - region threading
++    @Override
++    public void postChangeDimension() {
++        super.postChangeDimension();
++        if (this instanceof PrimedTnt primedTnt) { // Folia - region threading - move to post change
++            primedTnt.setUsedPortal(true);
++        }
++    }
++    // Folia end - region threading
++
+     @Override
+     public final boolean hurtServer(ServerLevel level, DamageSource damageSource, float amount) {
+         return false;
 diff --git a/net/minecraft/world/entity/monster/Vex.java b/net/minecraft/world/entity/monster/Vex.java
 index bc74bdc3e13f1d51ed6d31470f3ac6f9855778c9..ccb4893b18c425ffac1de9dd976e8d4b8b231173 100644
 --- a/net/minecraft/world/entity/monster/Vex.java