Updated Upstream (Paper)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
cc0494817 Tick inactive goal selectors
c19ec6394 fix 4878 by always calling events using bukkit singleton
5d216be1d Fix MC-181190 curing zombie villager discount exploit (#4871)

patches/server/0146-Left-handed-API.patch

@@ -0,0 +1,25 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: BillyGalbreath <blake.galbreath@gmail.com>
+Date: Mon, 30 Nov 2020 06:03:06 -0600
+Subject: [PATCH] Left handed API
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
+index eaad222fd3..eb1d0d8e89 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
+@@ -85,4 +85,14 @@ public abstract class CraftMob extends CraftLivingEntity implements Mob {
+         return getHandle().isInDaylight();
+     }
+     // Paper end
++
++    // Purpur start
++    public boolean isLeftHanded() {
++        return getHandle().isLeftHanded();
++    }
++
++    public void setLeftHanded(boolean leftHanded) {
++        getHandle().setLeftHanded(leftHanded);
++    }
++    // Purpur end
+ }