Fix bug in double register fix

could accidently delay entity reg by a tick if the bug this was fixing was encountered

Spigot-Server-Patches/Ensure-Entity-is-never-double-registered.patch

@@ -23,15 +23,14 @@ index 8da54c68cc..eb706f8636 100644
          private boolean locked = false;
          @Override
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index 5ba46fca55..9cb22eef56 100644
+index 5ba46fca55..23527809ce 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
 @@ -0,0 +0,0 @@ public class WorldServer extends World {
-             this.tickingEntities = false;
  
              try (co.aikar.timings.Timing ignored = this.timings.newEntities.startTiming()) { // Paper - timings
--            while ((entity = (Entity) this.entitiesToAdd.poll()) != null) {
-+            while ((entity = (Entity) this.entitiesToAdd.poll()) != null && entity.isQueuedForRegister) { // Paper - ignore cancelled registers
+             while ((entity = (Entity) this.entitiesToAdd.poll()) != null) {
++                if (!entity.isQueuedForRegister) continue; // Paper - ignore cancelled registers
                  this.registerEntity(entity);
              }
              } // Paper - timings

Spigot-Server-Patches/Fix-unregistering-entities-from-unloading-chunks.patch

@@ -15,7 +15,7 @@ Combine that with a buggy detail of the previous implementation of
 the Dupe UUID patch, then this was the likely source of the "Ghost entities"
 
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index 9cb22eef56..f7a9b58db3 100644
+index 23527809ce..941eee838b 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
 @@ -0,0 +0,0 @@ public class WorldServer extends World {