fix: items deserializing with an empty NBT tag

CHANGELOG.md

@@ -8,6 +8,7 @@ to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 ## [Unreleased]
 
 ### Fixed
+- Fixed items in disks deserializing with an empty NBT tag.
 - Fixed placing fluids in the pattern grid disconnecting the client.
 
 ## [1.13.0-beta.2] - 2024-02-16

src/main/java/com/refinedmods/refinedstorage/util/StackUtils.java

@@ -338,7 +338,7 @@ public final class StackUtils {
         return AttachmentInternals.reconstructItemStack(
             BuiltInRegistries.ITEM.get(new ResourceLocation(tag.getString(NBT_ITEM_ID))),
             tag.getInt(NBT_ITEM_QUANTITY),
-            tag.getCompound(NBT_ITEM_NBT)
+            tag.contains(NBT_ITEM_NBT) ? tag.getCompound(NBT_ITEM_NBT) : null
         );
     }
 }