Handle missing Spawn Egg item meta for 1.17 mobs (#6700)

Author: chickeneer

patches/server/0815-Register-spawn-egg-meta-for-1.17-mobs.patch

@@ -0,0 +1,69 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: chickeneer <emcchickeneer@gmail.com>
+Date: Sat, 2 Oct 2021 10:14:04 -0500
+Subject: [PATCH] Register spawn egg meta for 1.17 mobs
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java
+index 1a8ff7339c58a4fffb051a090a7b8c34cb346a61..aa7fd5c80712fecca1110341a234f60e8607b809 100644
+--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java
++++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java
+@@ -122,6 +122,7 @@ public final class CraftItemFactory implements ItemFactory {
+         case YELLOW_BANNER:
+         case YELLOW_WALL_BANNER:
+             return meta instanceof CraftMetaBanner ? meta : new CraftMetaBanner(meta);
++        case AXOLOTL_SPAWN_EGG: // Paper
+         case BAT_SPAWN_EGG:
+         case BEE_SPAWN_EGG:
+         case BLAZE_SPAWN_EGG:
+@@ -140,6 +141,8 @@ public final class CraftItemFactory implements ItemFactory {
+         case EVOKER_SPAWN_EGG:
+         case FOX_SPAWN_EGG:
+         case GHAST_SPAWN_EGG:
++        case GLOW_SQUID_SPAWN_EGG: // Paper
++        case GOAT_SPAWN_EGG: // Paper
+         case GUARDIAN_SPAWN_EGG:
+         case HOGLIN_SPAWN_EGG:
+         case HORSE_SPAWN_EGG:
+diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+index e9fa60755da0bc358020266ff4e450e1b31da595..f6a820e2456c66b8db4140984e0306bea3ee4e9b 100644
+--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
++++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+@@ -349,6 +349,7 @@ public final class CraftItemStack extends ItemStack {
+             case YELLOW_BANNER:
+             case YELLOW_WALL_BANNER:
+                 return new CraftMetaBanner(item.getTag());
++            case AXOLOTL_SPAWN_EGG: // Paper
+             case BAT_SPAWN_EGG:
+             case BEE_SPAWN_EGG:
+             case BLAZE_SPAWN_EGG:
+@@ -367,6 +368,8 @@ public final class CraftItemStack extends ItemStack {
+             case EVOKER_SPAWN_EGG:
+             case FOX_SPAWN_EGG:
+             case GHAST_SPAWN_EGG:
++            case GLOW_SQUID_SPAWN_EGG: // Paper
++            case GOAT_SPAWN_EGG: // Paper
+             case GUARDIAN_SPAWN_EGG:
+             case HOGLIN_SPAWN_EGG:
+             case HORSE_SPAWN_EGG:
+diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaSpawnEgg.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaSpawnEgg.java
+index 31d649ad03fb80374155a3a276066a4c668d02f4..c485f2cb13cdaae2afdd047c55ae0c7d3fab3d49 100644
+--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaSpawnEgg.java
++++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaSpawnEgg.java
+@@ -112,6 +112,7 @@ public class CraftMetaSpawnEgg extends CraftMetaItem implements SpawnEggMeta {
+     @Override
+     boolean applicableTo(Material type) {
+         switch (type) {
++            case AXOLOTL_SPAWN_EGG: // Paper
+             case BAT_SPAWN_EGG:
+             case BEE_SPAWN_EGG:
+             case BLAZE_SPAWN_EGG:
+@@ -130,6 +131,8 @@ public class CraftMetaSpawnEgg extends CraftMetaItem implements SpawnEggMeta {
+             case EVOKER_SPAWN_EGG:
+             case FOX_SPAWN_EGG:
+             case GHAST_SPAWN_EGG:
++            case GLOW_SQUID_SPAWN_EGG: // Paper
++            case GOAT_SPAWN_EGG: // Paper
+             case GUARDIAN_SPAWN_EGG:
+             case HOGLIN_SPAWN_EGG:
+             case HORSE_SPAWN_EGG: