Steps to reproduce:
1. Open the attached project “IN-130792”
2. Make sure you have 2 monitors connected
3. Build and run the project
4. Observe the Player

Actual result: When the Player launches, only one of 2 displays are visible (the main display with the main camera view is visible)
Expected result: Both of the displays are visible on different monitors

Reproducible with: 2023.1.0a3, 6000.0.68f1, 6000.3.9f1, 6000.4.0b9, 6000.5.0a7

Reproducible on: Windows 11, macOS 26.3 (M1 Pro)
Not reproducible on: No other environment tested

Notes:
- The camera views works correct in the Editor, but the Player does not open the second screen in the secondary monitor