Ref https://github.com/zed-industries/zed/pull/33263
- Improve `Icon` to inherit parent element font size by default. <img width="777" alt="image" src="https://github.com/user-attachments/assets/1a0ee94e-46ef-4b02-9538-09880586d3f2" /> <img width="777" alt="image" src="https://github.com/user-attachments/assets/4ecb016f-2e7c-4266-9a25-eae2566b2844" />