This PR fixes text shapes always being black.
It also fixes Note shapes not having the correct text colour.
<img width="759" alt="Screenshot 2023-06-26 at 11 26 45"
src="https://github.com/tldraw/tldraw/assets/15892272/a68ae0d1-69ba-43de-9e21-87c483ffd2dc">
### Change Type
- [x] `patch` — Bug fix
[^1]: publishes a `patch` release, for devDependencies use `internal`
[^2]: will not publish a new version
### Test Plan
1. Make a text shape.
2. Make sure you can change its colour.
3. Make a note shape.
4. Make sure its text label stays black when you change the note's
colour.
- [ ] Unit Tests
- [ ] End to end tests
### Release Notes
- None: Fixes an unreleased bug.
caaedc559f