Toolbar position in Smithing table is 2 pixel higher than it should be

Toolbar position in Smithing table (the panel that hold close and help button) is 2 pixel higher compared to other UI toolbar (Inventory, Stonecutter, etc), this is very noticeable while using resourcepacks that modifying toolbars textures

Steps to reproduce:

1. Download and apply attached resourcepack: Toolbar test.mcpack
2. Open Smithing table, and then compare it with the other UI (Inventory, for example)

Expected results:
The toolbar position is the same as in other UI

Observed results:
Toolbars on Smithing table is positioned too high

Note:
This can be reproduced on Vanilla as well, it's just easier while using resourcepack attached in the report.