Slider is not displayed properly

[dxnel]

Describe the bug

The inside of the slider from its start towards the value is supposed to be filled with the same color as the thumb but this area however remains gray.

The bug exists in the WPF UI Gallery as well as in a traditional WPF project.

To Reproduce

WPF UI Gallery : Open the WPF UI Gallery app, and then go to Basic Inputs -> Slider

WPF Project : After creating a project, add a Slider to its window then test its operation during debugging

Expected behavior

The track of the slider is supposed to be in the same color as the thumb (as shown in the image below).

Screenshots

Issue shown in the WPF UI Gallery

Issue shown in a WPF Project

OS version

Windows 11 (23H2, 22631.3672)

.NET version

6.0

WPF-UI NuGet version

3.0.4

Additional context

No response