ANW-1488: adding support to save an internal note to a top container record

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Description

adding support to save an internal note to a top container record

Related JIRA Ticket or GitHub Issue

https://archivesspace.atlassian.net/jira/software/c/projects/ANW/issues/ANW-1488

How Has This Been Tested?

Manual and unit testing

Screenshots (if appropriate):

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [x] I have read the CONTRIBUTING document.
• [x] I have authority to submit this code.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.