Change Clinical Records to use Scalar

[demariadaniel]

Link to Issue

https://app.zenhub.com/workspaces/icgc-argo-platform-dk-production-board-5e542d38415f5034e9fed89d/issues/gh/icgc-argo/roadmap/1120

Description

Allows sending primitive values in GQL query for Clinical Data

Checklist

Type of Change

• [x] Bug
• [x] Refactor
• [ ] New Feature
• [ ] Release Candidate

Checklist before requesting review:

• [ ] Check branch (code change PRs go to develop not master)
• [ ] Check copyrights for new files
• [ ] Manual testing
• [ ] Regression tests completed and passing (double check number of tests).
• [ ] Spelling has been checked.
• [ ] Updated swagger docs accordingly (check it's still valid)
• [ ] Set validationDependency in meta tag for Argo Dictionary fields used in code