Fix issue with "create note from tag"

[vkbo]

Summary:

This PR fixes an issue where the create tag from note option was available for keywords for story and mention, but notes cannot be created for these. This PR also cleans up the trinary enum that isn't really needed any more with this change.

Related Issue(s):

Closes #2212

Reviewer's Checklist:

• The header of all files contain a reference to the repository license
• The overall test coverage is increased or remains the same as before
• All tests are passing
• All flake8 checks are passing and the style guide is followed
• Documentation (as docstrings) is complete and understandable
• Only files that have been actively changed are committed