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#### Summary <!-- Provide a general summary of your changes -->
- Adds a new codeunit "Email Retrieval Filters" for specifying the
filters to be used when retrieving an email.
- Update APIs to work with both v2 and v3 interfaces
- Obsolete the v2 interface as it's the same just without the filtering.
- Update tests

#### Work Item(s) <!-- Add the issue number here after the #. The issue
needs to be open and approved. Submitting PRs with no linked issues or
unapproved issues is highly discouraged. -->
Fixes
[AB#550315](https://dynamicssmb2.visualstudio.com/1fcb79e7-ab07-432a-a3c6-6cf5a88ba4a5/_workitems/edit/550315)