ANW-670: handle deleting assessment attribute notes when deleting assessment

[sem42198]

Description

Handle deleting of assessment attribute notes linked to an assessment when deleting the assessment so it does not fail.

Related JIRA Ticket or GitHub Issue

ANW-670

Motivation and Context

If there is a note in the ratings section of an assessment record, you get an error when attempting to delete.

How Has This Been Tested?

Checked that you can now delete an assessment with assessment attribute notes and that it deletes the appropriate attribute notes records from the database.

Screenshots (if appropriate):

Types of changes

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

Checklist:

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