Updated Upstream (Paper)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
eb11845f8 Fix creating worlds with "invalid" names (Fixes #5331)
e4d8a6279 Implement Keyed on World
bcb63dab7 [CI-SKIP] [Auto] Rebuild Patches
48342b06c Allow signs that are inside of the spawn protection to be right clicked to use their run_command tag
c229f90c1 Add Block#isValidTool
20e709c1d Add recipe to cook events
2dcf8bff4 legacy formatting will be the death of me
f597fea0d legacy formatting is worse than walking around in wet socks
7f72c4675 Use implementation-provided legacy serializer for events
27a8d99ec Adventure 4.7.0
e65bd35a1 Respect teams in legacy chat name if configured (#5321)
b31089a92 Updated Upstream (Bukkit/CraftBukkit/Spigot) (#5325)
a52b30814 Fix title swapping fadeIn and stay
54ec85949 Prevent grindstones from overstacking items
d7795080c Fix NPE for AIR in meta operations in ItemStack
2e70796c7 [CI-SKIP] Improve documentation of PreCreatureSpawnEvent (#5244)
7bb92e750 [CI-SKIP] Add JavaDoc links to Tag class pointing to custom Paper tags (#5285)
28cd686bf fix per-world difficulty command (#5306)
be7cde2c7 [CI-SKIP] Always check PATH for JDK (#5315)

patches/api/0018-ItemStack-convenience-methods.patch

@@ -46,7 +46,7 @@ index 7b77c7132723a01e8c38ddaa616b363be300b653..c6b1131b1700797e0515045f4e5c81f8
 +    // Purpur end
  }
 diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
-index 7531fc910ed65dc12e242cf5042ce4cef9fe661d..890a37ebd79e770114ea188a0a5d9d2e27542911 100644
+index 878f09d5e587bc4bd70443fbdb89dac29e5a538d..f0c17f1342d9c70cb4fe1fc46dd8b9006037e860 100644
 --- a/src/main/java/org/bukkit/inventory/ItemStack.java
 +++ b/src/main/java/org/bukkit/inventory/ItemStack.java
 @@ -17,6 +17,18 @@ import org.bukkit.inventory.meta.ItemMeta;
@@ -68,8 +68,8 @@ index 7531fc910ed65dc12e242cf5042ce4cef9fe661d..890a37ebd79e770114ea188a0a5d9d2e
  
  /**
   * Represents a stack of items.
-@@ -798,4 +810,627 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, net.kyor
-         return itemMeta.hasItemFlag(flag);
+@@ -810,4 +822,627 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, net.kyor
+         return itemMeta != null && itemMeta.hasItemFlag(flag);
      }
      // Paper end
 +