Product SKU is empty when inserted inside the Product Meta block

[Aljullu]

To reproduce

1. Go to Appearance > Editor > Template > Single Product.
2. Remove the Product SKU block inside the Product Meta block.
3. Add the Product SKU block again.
4. Notice it's empty both in the editor and the frontend.

Expected behavior

The newly added block should show up as the existing one.

Screenshots

product-sku.webm

cc @gigitux in case you think this should be included to the Single Product epic.