Improve update helper task

patches/server/Add-back-EntityPortalExitEvent.patch

@@ -8,7 +8,7 @@ diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/jav
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
-@@ -0,0 +0,0 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+@@ -0,0 +0,0 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
              } else {
                  // CraftBukkit start
                  worldserver = shapedetectorshape.world;
@@ -37,7 +37,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
                  if (worldserver == this.level) {
                      // SPIGOT-6782: Just move the entity if a plugin changed the world to the one the entity is already in
                      this.moveTo(shapedetectorshape.pos.x, shapedetectorshape.pos.y, shapedetectorshape.pos.z, shapedetectorshape.yRot, shapedetectorshape.xRot);
-@@ -0,0 +0,0 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+@@ -0,0 +0,0 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
  
                  if (entity != null) {
                      entity.restoreFrom(this);
@@ -45,6 +45,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 -                    entity.setDeltaMovement(shapedetectorshape.speed);
 +                    entity.moveTo(position.x, position.y, position.z, yaw, pitch); // Paper - use EntityPortalExitEvent values
 +                    entity.setDeltaMovement(velocity); // Paper - use EntityPortalExitEvent values
-                     worldserver.addDuringTeleport(entity);
-                     if (worldserver.getTypeKey() == LevelStem.END) { // CraftBukkit
-                         ServerLevel.makeObsidianPlatform(worldserver, this); // CraftBukkit
+                     // CraftBukkit start - Don't spawn the new entity if the current entity isn't spawned
+                     if (this.inWorld) {
+                         worldserver.addDuringTeleport(entity);