[Bug]: fluent-accordion Icons not visible in dark theme

Library

Web Components (@fluentui/web-components)

System Info

-

Are you reporting Accessibility issue?

no

Reproduction

Bug Description

Check fluent-accordion stories in dark theme: https://web-components.fluentui.dev/?path=/docs/components-accordion--accordion

Actual Behavior

Neither the default nor the custom expand/collapse icons are visible in the dark theme.
The svgs hardcode fill="#212121".

Light theme:

Dark theme 🚨:

Expected Behavior

The svgs use fill: currentColor, the icons are visible in all themes.

Logs

No response

Requested priority

Normal

Products/sites affected

No response

Are you willing to submit a PR to fix?

no

Validations

• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• The provided reproduction is a minimal reproducible example of the bug.