Return 0 if null for FireworkMeta (#8738)

patches/server/Return-0-by-default-for-FireworkMeta.patch

@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
+Date: Thu, 29 Dec 2022 11:16:05 -0500
+Subject: [PATCH] Return 0 by default for FireworkMeta
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaFirework.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaFirework.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaFirework.java
++++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaFirework.java
+@@ -0,0 +0,0 @@ class CraftMetaFirework extends CraftMetaItem implements FireworkMeta {
+ 
+     @Override
+     public int getPower() {
+-        return this.power;
++        return java.util.Objects.requireNonNullElse(this.power, 0); // Paper
+     }
+ 
+     @Override