Fix CorrDiff config handling issue for gradient clipping

[tge25]

Modulus Pull Request

Description

Fix issue #460

Checklist

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

Dependencies

[mnabian]

/blossom-ci

[MortezaMardani]

looks good