In High contrast Aquatic/Dusk/Desert and Night sky themes, keyboard focus indicator is not visible on 'Select a product' drop down menu items in windows.

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Test Environment:
OS: Windows 11 version 25H2 (OS Build 26200.7271)
Browser: Edge (Version 144.0.3719.18)
URL: https://demos.telerik.com/aspnet-ajax/dropdownlist/examples/overview/defaultcs.aspx

Pre Requisites:
Setting > Accessibility > Contrast themes > Aquatic/Desert/Dusk/Night Sky

Repro Steps:

1. Open the URL: https://demos. in telerik.com/aspnet-ajax/dropdownlist/examples/overview/defaultcs.aspx in edge browser in windows.
2. Press tab key to reach to the 'Select a product' drop down and expand it.
3. Drop down list item and selected list item will appear.
4. Verify whether In High contrast Aquatic/Dusk/Desert and Night sky themes, keyboard focus indicator is visible on drop down menu items and selected list item in windows or not.

Actual Result:
In High contrast Aquatic/Dusk/Desert and Night sky themes, keyboard focus indicator is not visible on 'Select a product' drop down menu items in windows.

Refer Attachment:

1. In High contrast modes, keyboard focus indicator is not visible on 'Select a product' drop down menu items in windows.png
2. In High contrast modes, keyboard focus indicator is not visible on 'Select a product' drop down menu items in windows.mp4

https://github.com/user-attachments/assets/153b1b21-c39e-40a7-aa84-7472e0b43e55

Expected Result:
In High contrast Aquatic/Dusk/Desert and Night sky themes, keyboard focus indicator should be visible properly on 'Select a product' drop down menu items in windows.