Ensure portal search radius is used when teleporting players (#2877)

Also add the create search radius mojang recently introduced
to config

Spigot-Server-Patches/LootTable-API-Replenishable-Lootables-Feature.patch

@@ -11,7 +11,7 @@ This feature is good for long term worlds so that newer players
 do not suffer with "Every chest has been looted"
 
 diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
-index d00e8155d..277f7618e 100644
+index 9e0c48954..6db131203 100644
 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
 +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
 @@ -0,0 +0,0 @@ public class PaperWorldConfig {
@@ -520,7 +520,7 @@ index 000000000..d50410532
 +    }
 +}
 diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
-index 167d22574..2e56c7f57 100644
+index 4201f5191..5a168037f 100644
 --- a/src/main/java/net/minecraft/server/Entity.java
 +++ b/src/main/java/net/minecraft/server/Entity.java
 @@ -0,0 +0,0 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke