How to reproduce:
1. Open user's project (Player Window Problem.zip)
2. Go to File > Build Settings... and build a Standalone application.
3. Launch a built application.
4. Change resolution to "720x480 @60" and press Esc
5. Launch the application again.

Expected result: Second time launching the game, it launches with the resolution that was selected last instead of default one.
Actual result: Second time launching the game, it launches with the default resolution, instead of the last selected one.

Reproducible with - 2018.2.0a5, 2018.1.0b11, 2018.1.0b8
Not reproducible with - 2018.1.0b7, 2017.3.2f1, 2017.2.2p1, 2017.1.3p2, 5.6.5p3

Verified in: 2018.2.0a7