Add Owner UUID api for AreaEffectCloud (#9364)

patches/api/Missing-Entity-API.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
 Date: Fri, 28 May 2021 21:06:59 -0400
-Subject: [PATCH] Missing Entity Behavior API
+Subject: [PATCH] Missing Entity API
 
 Co-authored-by: Nassim Jahnke <nassim@njahnke.dev>
 Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
@@ -151,6 +151,31 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    public void setEating(boolean eating);
 +    // Paper end - Horse API
  }
+diff --git a/src/main/java/org/bukkit/entity/AreaEffectCloud.java b/src/main/java/org/bukkit/entity/AreaEffectCloud.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/org/bukkit/entity/AreaEffectCloud.java
++++ b/src/main/java/org/bukkit/entity/AreaEffectCloud.java
+@@ -0,0 +0,0 @@ public interface AreaEffectCloud extends Entity {
+      * @param source the {@link ProjectileSource} that threw the LingeringPotion
+      */
+     public void setSource(@Nullable ProjectileSource source);
++
++    // Paper start - owner API
++    /**
++     * Get the entity UUID for the owner of this area effect cloud.
++     *
++     * @return the entity owner uuid or null
++     */
++    @Nullable java.util.UUID getOwnerUniqueId();
++
++    /**
++     * Sets the entity UUID for the owner of this area effect cloud.
++     *
++     * @param ownerUuid the entity owner uuid or null to clear
++     */
++    void setOwnerUniqueId(@Nullable java.util.UUID ownerUuid);
++    // Paper end
+ }
 diff --git a/src/main/java/org/bukkit/entity/Bat.java b/src/main/java/org/bukkit/entity/Bat.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/org/bukkit/entity/Bat.java

patches/server/Missing-Entity-API.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
 Date: Mon, 21 Jun 2021 23:56:07 -0400
-Subject: [PATCH] Missing Entity Behavior API
+Subject: [PATCH] Missing Entity API
 
 == AT ==
 public net.minecraft.world.entity.animal.Fox isDefending()Z
@@ -30,6 +30,7 @@ public net.minecraft.world.entity.npc.WanderingTrader getWanderTarget()Lnet/mine
 public net.minecraft.world.entity.animal.AbstractSchoolingFish leader
 public net.minecraft.world.entity.animal.AbstractSchoolingFish schoolSize
 public net.minecraft.world.entity.animal.Rabbit moreCarrotTicks
+public net.minecraft.world.entity.AreaEffectCloud ownerUUID
 
 Co-authored-by: Nassim Jahnke <nassim@njahnke.dev>
 Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
@@ -428,6 +429,28 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    }
 +    // Paper end - Horse API
  }
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftAreaEffectCloud.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftAreaEffectCloud.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftAreaEffectCloud.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftAreaEffectCloud.java
+@@ -0,0 +0,0 @@ public class CraftAreaEffectCloud extends CraftEntity implements AreaEffectCloud
+             this.getHandle().setOwner(null);
+         }
+     }
++
++    // Paper start - owner API
++    @Override
++    public java.util.UUID getOwnerUniqueId() {
++        return this.getHandle().ownerUUID;
++    }
++
++    @Override
++    public void setOwnerUniqueId(final java.util.UUID ownerUuid) {
++        this.getHandle().setOwner(null);
++        this.getHandle().ownerUUID = ownerUuid;
++    }
++    // Paper end
+ }
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftBat.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftBat.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftBat.java