Summary:
The locked map item is not retextured in the Adventure Time and Steven Universe resource packs.

Steps to Reproduce:

1. Open a world with the Adventure Time or Steven Universe resource pack enabled
2. Obtain a map, glass pane, and cartography table
3. Open the map and cartography table
4. Place the map and glass pane into the cartography table

Observed Results:
The locked map item uses the default texture. The locked map in the preview does not.

Expected Results:
The locked map item should be retextured.

Screenshots:
Adventure Time:

Steven Universe: