Style is broken and Red Font is shown in Advanced Dropdown when opening it in Play Mode

Steps to reproduce:

1. Create a new High Definition 3D sample Project from Hub
2. Open the Build Profiles Window
3. Enter Play Mode
4. Right click the Windows Build Profile and select "Copy To New Profile"
5. Click "Add Settings" in the Profile Settings panel

Actual results: Dropdown without styling is opened in a red font for it's options, warnings are logged "Unable to find style 'x'"

Expected results: Dropdown options are styled as the rest of the Editor

Reproducible with versions: 6000.3.10f1, 6000.4.0b11, 6000.5.0a8

Can’t test with versions: 6000.0.70f1, 6000.2.15f1 (No Advanced Dropdown "Add Settings" button in the Profile Window)

Tested on (OS): Windows 11, macOS 15.7.4