Fix Entity Teleportation and cancel velocity if teleported

Uses correct setPositionRotation for Entity teleporting instead of setLocation
as this is how Vanilla teleports entities.

Cancel any pending motion when teleported.

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java

@@ -241,7 +241,7 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
         }
 
         // entity.setLocation() throws no event, and so cannot be cancelled
-        this.entity.absMoveTo(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
+        entity.moveTo(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch()); // Paper - use proper moveTo, as per vanilla teleporting
         // SPIGOT-619: Force sync head rotation also
         this.entity.setYHeadRot(location.getYaw());
 

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java

@@ -603,6 +603,7 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
             }
 
             ((AbstractHurtingProjectile) launch).projectileSource = this;
+            launch.preserveMotion = true; // Paper - Fix Entity Teleportation and cancel velocity if teleported
             launch.moveTo(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
         } else if (LlamaSpit.class.isAssignableFrom(projectile)) {
             Location location = this.getEyeLocation();