Piston and Sticky Piston's head darkens when breaking block

All piston heads darken when breaking in Survival

Steps to reproduce the issue

1. Create a new Survival world with Cheats enabled (preferably Flat)

2. Give yourself a Piston and a Sticky Piston

3. Place the blocks

4. Start breaking them with the fist

Expected result

• Only breaking particles display.

• The block’s texture itself remains unchanged.

Actual result

• The piston’s head darkens when being broken.