MC-80966 / SPIGOT-957: Send additional lighting data

nms-patches/ChunkSection.patch

@@ -25,3 +25,12 @@
      public IBlockData getType(int i, int j, int k) {
          return this.blockIds.a(i, j, k);
      }
+@@ -46,7 +64,7 @@
+     }
+ 
+     public boolean a() {
+-        return this.nonEmptyBlockCount == 0;
++        return false; // CraftBukkit - MC-80966
+     }
+ 
+     public boolean shouldTick() {