reset meta block state on BlockStateMeta#setBlockState

patches/server/1038-General-ItemMeta-fixes.patch

@@ -150,7 +150,7 @@ index 1ac3bec02fce28d5ce698305a7482a9eccbb1867..b494568f833dc21d4e2447ac3e5c5002
  
          for (Pattern p : this.patterns) {
 diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBlockState.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBlockState.java
-index 12911233c01d0ac1af9adbd157d56d28361fc76f..e5c2ab243fd56ef32321cbf127ef7b9d21fad56c 100644
+index 12911233c01d0ac1af9adbd157d56d28361fc76f..322d5f19d0c156bf6e46202d2e185d8aec455492 100644
 --- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBlockState.java
 +++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBlockState.java
 @@ -142,9 +142,17 @@ public class CraftMetaBlockState extends CraftMetaItem implements BlockStateMeta
@@ -411,7 +411,7 @@ index 12911233c01d0ac1af9adbd157d56d28361fc76f..e5c2ab243fd56ef32321cbf127ef7b9d
      }
  
      private static CraftBlockEntityState<?> getBlockState(Material material, CompoundTag blockEntityTag) {
-@@ -331,7 +407,19 @@ public class CraftMetaBlockState extends CraftMetaItem implements BlockStateMeta
+@@ -331,7 +407,22 @@ public class CraftMetaBlockState extends CraftMetaItem implements BlockStateMeta
          Class<?> blockStateType = CraftBlockStates.getBlockStateType(stateMaterial);
          Preconditions.checkArgument(blockStateType == blockState.getClass() && blockState instanceof CraftBlockEntityState, "Invalid blockState for " + this.material);
  
@@ -427,6 +427,9 @@ index 12911233c01d0ac1af9adbd157d56d28361fc76f..e5c2ab243fd56ef32321cbf127ef7b9d
 +        patchedMap.setAll(map);
 +        final DataComponentPatch patch = patchedMap.asPatch();
 +        this.updateFromPatch(patch, null);
++        // we have to reset the fields because this should be like a "new" block entity is being used
++        this.blockEntityTag = CustomData.EMPTY;
++        this.components = DataComponentMap.EMPTY;
 +        this.updateBlockState(patch);
 +        // Paper end
      }