Bugfix/writing regional and regridded data

[georg198]

Earth-2 MIP Pull Request

Description

The changes should fix issues #136 and #188

Checklist

• [x] I am familiar with the Contributing Guidelines.
• [ ] New or existing tests cover these changes.
• [x] The documentation is up to date with these changes.
• [x] The CHANGELOG.md is up to date with these changes.
• [x] An issue is linked to this pull request.

Dependencies