Visual Bug: Missing Pixel in between 4th and 5th hotbat slot

Dear Mojang,

A visual bug where the pixel between 4th and 5th hotbar slot was missing.

Steps to Reproduce
1. Open Minecraft World.
2. Look at between 4th and 5th hotbar slot.

Observed Result
The pixel was missing between 4th and 5th hotbar slot.

Expected Result
The pixel between 4th and 5th hotbar slot should be there.