-Unable to assign Logo Sprite from asset selector window in Splash Image.
-Workaround: Drag & drop the sprite to assign Logo sprite.
-Also occurring on Ubuntu 18.04 LTS.

Steps to repro:
1. Create a new project.
2. Edit > Project Settings > Player.
3. Splash Image > Logos > Click on "+".
4. Assign Sprite from Asset selector window.

Actual Result:
Unable to assign Logos Sprite from asset selector window.

Expected Result:
Logo sprite should assign from asset selector window.

Reproducible in:
2021.1.0a2, 2021.1.0a1.

Working Fine in:
2020.2.0b9, 2020.1.11f1.

Environment:
Occurring on Windows 10, Mac 10.15 & Ubuntu 18.04 LTS.