[Bug] still no writing in Mail possible

## Bug Report

### Description
i can still not use the app to write messages in Mail. all fields except the actual mail body work.

### Environment
- **Cotabby version:** 0.6.0-beta
- **macOS version:** 26.5.1
- **Mac model:** Mac16,6
- **Chip:** Apple M4 Max
- **Memory:** 36 GB

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