Colors broken for 2025.5

[sophof]

Checklist:

• I updated to the latest version available
• I cleared the cache of my browser

Release with the issue:
1.13.0, HA 2025.5

Last working release (if known):
1.13.0, HA 2024.4

Browser and Operating System:
Chrome and Firefox, Windows

Description of problem:
I'm seeing the wrong colors for icons on some of my sliders. I suddenly have a white icon for instance and a black action button (almost invisible on dark mode). I think it is likely this is related to the theming and typography backwards incompatible change in 2025.5: https://www.home-assistant.io/blog/2025/05/07/release-20255/#backward-incompatible-changes

Javascript errors shown in the web inspector (if applicable):

Additional information:

[donjo3]

can confirm this behavior. the action button is black.

[alxDisplayr]

Made a PR to fix @mattieha can you double check and approve?