Pixels in the "hotbar_offhand_left" and "hotbar_offhand_right" textures have inconsistent transparency

The Bug:

Pixels in the "hotbar_offhand_left" and "hotbar_offhand_right" textures have inconsistent transparency.

Steps to Reproduce:

1. Extract the contents of the latest minecraft .jar file.
2. Navigate to assets > minecraft > textures > gui > sprites > hud.
3. Find the "hotbar_offhand_left" and "hotbar_offhand_right" textures and compare the transparency of them both.

Observed Behavior:

The transparency of the pixels differs.

Expected Behavior:

The transparency of the pixels would maintain the same.