Add Research Methodology and Special Topics to Agreement models

[rajohnson90]

What changed

Research Methodology & Special Topics + Populations have been added to the base agreement model. There is some validation around agreement creation and updating to ensure that Research Methodologies provided for any create/edit operation is an existing methodology.

Issue

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How to test

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Screenshots

When either special topic/population or research methodology has no value set, the default tag is TBD.

Agreement 10 which has two research methodologies and two special topics

Definition of Done Checklist

• OESA: Code refactored for clarity
• OESA: Dependency rules followed
• Automated unit tests updated and passed
• Automated integration tests updated and passed
• Automated quality tests updated and passed
• Automated load tests updated and passed
• Automated a11y tests updated and passed
• Automated security tests updated and passed
• 90%+ Code coverage achieved
• Form validations updated