MC-80966 - Always send chunk sections

Spigot-Server-Patches/MC-80966-Always-send-chunk-sections.patch

@@ -0,0 +1,22 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Zach Brown <1254957+zachbr@users.noreply.github.com>
+Date: Sat, 11 Jun 2016 14:59:15 -0500
+Subject: [PATCH] MC-80966 - Always send chunk sections
+
+
+diff --git a/src/main/java/net/minecraft/server/ChunkSection.java b/src/main/java/net/minecraft/server/ChunkSection.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/server/ChunkSection.java
++++ b/src/main/java/net/minecraft/server/ChunkSection.java
+@@ -0,0 +0,0 @@ public class ChunkSection {
+     }
+ 
+     public boolean a() {
+-        return this.nonEmptyBlockCount == 0;
++        // Paper - MC-80966
++        // Even if there are no blocks, there may be other information associated with the chunk, always send it.
++        return false;
+     }
+ 
+     public boolean shouldTick() {
+--