Reset component prototype on itemtype change

patches/server/1045-General-ItemMeta-fixes.patch

@@ -3,6 +3,24 @@ From: Jake Potrebic <jake.m.potrebic@gmail.com>
 Date: Sat, 27 Apr 2024 20:56:17 -0700
 Subject: [PATCH] General ItemMeta fixes
 
+== AT ==
+private-f net/minecraft/world/item/ItemStack components
+
+diff --git a/src/main/java/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
+index 8e2b3dd109dca3089cbce82cd3788874613a3230..a45389d64c04cd4c2a35fbc511595be0535a8665 100644
+--- a/src/main/java/net/minecraft/world/item/ItemStack.java
++++ b/src/main/java/net/minecraft/world/item/ItemStack.java
+@@ -1251,6 +1251,11 @@ public final class ItemStack implements DataComponentHolder {
+     public void setItem(Item item) {
+         this.bukkitStack = null; // Paper
+         this.item = item;
++        // Paper start - change base component prototype
++        final DataComponentPatch patch = this.getComponentsPatch();
++        this.components = new PatchedDataComponentMap(this.item.components());
++        this.applyComponents(patch);
++        // Paper end - change base component prototype
+     }
+     // CraftBukkit end
  
 diff --git a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
 index b0421823684ff6b9474b81675742d2ee3b17edf7..285257421a6958b854ecaa468ed275d33990db3d 100644