Stone Brick Stairs have incorrect or missing textures on iPad

Description:
Stone Brick Stairs display incorrect textures on iPad. The normal stone brick pattern and brick lines are missing. The issue affects the placed block, the hotbar/inventory icon, and the held item appearance.

Steps to reproduce:

1. Create a new world without resource packs or add-ons.

2. Obtain Stone Brick Stairs.

3. Observe the Stone Brick Stairs icon in the hotbar/inventory.

4. Hold the Stone Brick Stairs and observe the held item appearance.

5. Place the Stone Brick Stairs in the world and observe its surfaces.

Expected result:
Stone Brick Stairs should display the normal stone brick texture and visible brick pattern when shown in the inventory/hotbar, held by the player, and placed in the world.

Actual result:
Stone Brick Stairs display incorrect gray textures. The normal stone brick pattern and brick lines are missing or incorrectly rendered in the inventory/hotbar icon, held item appearance, and placed block.