Sandpack February Update
Add LogLevel, improve reliability and more.
Features:
- Add logLevel to sandpack options #378.
Bugs:
- Improve the reliability of the "user-visible" mode #343;
- OpenInCodeSandboxButton: preserve ?file= param for big sandboxes #357;
- SandpackCodeViewer: make CM view read-only #390;
- Sort decorators before pass to CodeMirror #385;
- Performance improvement: don't make unnecessary sync updates #377;
- Filter out events originating from different iframes (potential memory leak) #370.