Reland "Remove cx from ThemeSettings" (#39720)
- **Reapply "Remove cx from ThemeSettings (#38836)" (#39691)**
- **Fix theme loading races**
Closes #ISSUE
Release Notes:
- N/A
1d1c799b4bConrad Irwin committed on 10/8/2025, 3:36:52 PM· committed by GitHubparent70af11e