Dead space filling screen in pop-up when creating assets in Project Browser

Unity: Linux

Linux

2023.1.X

2022.2.X

2022.1.X

2021.3.X

2020.3.X

This is caused by how GTK handles context menus near the border of the display. https://fogbugz.unity3d.com/f/cases/1340774/

How to reproduce:
1. Open up any project
2. Click the "+" sign in Project Browser in the top left corner and observe pop-up

Actual result: Pop-up for creating assets is filled with dead space
Expected result: No dead space in pop-up

Reproducible with: 2020.3.39f1, 2021.3.10f1, 2022.1.17f1, 2022.2.0b8, 2023.1.0a11

Reproduces on: Ubuntu 18.04, CentOS7