Sliders not visible with appearance set to dark

[Talyvar]

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Describe the bug
With Appearance set to Dark, the horizontal and vertical sliders are not visible, unless you mouse over them.

To Reproduce
Open Draw.io for desktop (currently 23.0.2 but issue has been present for a long time).
Set Appearance to Dark.
Look at the screen and observe the sliders are not visible.
Mouse over one of the sliders (when you can find it) and observe it is now easily visible.

Expected behavior
The easily visible sliders when moused over should be visible without the need to mouse over them.

Screenshots
First image shows the application open with a blank document. The sliders are not visible.

In the second image the mouse is over the horizontal slider, which is now easily visible.

draw.io version (In the Help->About menu of the draw.io editor):

• draw.io version 23.0.2

Desktop (please complete the following information):

• OS: Windows 11

Additional context
Thank you for this great app!