[1.20] Paper compatibility fixes

Signed-off-by: Irmo van den Berge <irmo.vandenberge@ziggo.nl>

src/main/templates/com/bergerkiller/templates/net/minecraft/entity/entity.txt

@@ -1967,7 +1967,13 @@ class Entity {
     }
 
     public (WorldHandle) World getWorld:level();
+
+    // Public on Paper
+  #if exists net.minecraft.world.entity.Entity public void setLevel(net.minecraft.world.level.World world);
+    public void setWorld:setLevel((WorldHandle) World world);
+  #else
     protected void setWorld:setLevel((WorldHandle) World world);
+  #endif
 #else
     public org.bukkit.World getBukkitWorld() {
   #if version >= 1.17

src/main/templates/com/bergerkiller/templates/net/minecraft/server_level_lightengine.txt

@@ -12,7 +12,11 @@ optional class LightEngineThreaded {
         #require LightEngineThreaded private final net.minecraft.server.level.PlayerChunkMap chunkMap;
         net.minecraft.server.level.PlayerChunkMap pcm = instance#chunkMap;
         net.minecraft.server.level.WorldServer world = pcm.level;
+    #if version >= 1.20
+        world.chunkTaskScheduler.parallelGenExecutor.queueRunnable(runnable);
+    #else
         world.chunkTaskScheduler.lightExecutor.queueRunnable(runnable);
+    #endif
 
   #else
         // Spigot/Legacy Paper