Merge branch 'master' into pre/1.13

* master:
  Relookup Entity Save ID if was null during precache

Spigot-Server-Patches/Timings-v2.patch

@@ -660,7 +660,7 @@ index 3706e44a34..bf1fffcfee 100644
              return waitable.get();
          } catch (java.util.concurrent.ExecutionException e) {
 diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
-index e67c5dc90b..f1e71de42a 100644
+index 17bcef97e0..5590919dd6 100644
 --- a/src/main/java/net/minecraft/server/Entity.java
 +++ b/src/main/java/net/minecraft/server/Entity.java
 @@ -0,0 +0,0 @@ import org.bukkit.command.CommandSender;
@@ -806,7 +806,7 @@ index ae31935c48..70c9b1f50c 100644
      }
  
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index 71ee66a9bb..1839bf7d24 100644
+index d453d0c421..83a73b86ea 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
 @@ -0,0 +0,0 @@
@@ -1194,7 +1194,7 @@ index a07895935e..ee5c2421bb 100644
      }
  
 diff --git a/src/main/java/net/minecraft/server/TileEntity.java b/src/main/java/net/minecraft/server/TileEntity.java
-index cffbcb8f71..6b8a1c8c8b 100644
+index 9361667c3b..0d54513a44 100644
 --- a/src/main/java/net/minecraft/server/TileEntity.java
 +++ b/src/main/java/net/minecraft/server/TileEntity.java
 @@ -0,0 +0,0 @@ import javax.annotation.Nullable;
@@ -1206,7 +1206,7 @@ index cffbcb8f71..6b8a1c8c8b 100644
 +import co.aikar.timings.Timing; // Paper
  import org.bukkit.inventory.InventoryHolder; // CraftBukkit
  
- public abstract class TileEntity implements KeyedObject {
+ public abstract class TileEntity implements KeyedObject { // Paper
  
 -    public CustomTimingsHandler tickTimer = org.bukkit.craftbukkit.SpigotTimings.getTileEntityTimings(this); // Spigot
 +    public Timing tickTimer = MinecraftTimings.getTileEntityTimings(this); // Paper