**Describe the bug** We cannot change colors (text colors or background color) on custom block anymore. **To Reproduce** <img width="667" height="385" alt="Image" src="https://github.com/user-attachments/assets/a63d1c63-5e07-4c58-9e3c-faca250494a5" /> **Misc** - BN version: >= [v0.39.0](https://github.com/TypeCellOS/BlockNote/releases/tag/v0.39.0) - [ ] I'm a [sponsor](https://www.blocknotejs.org/pricing) and would appreciate if you could look into this sooner than later 💖
