Implements FormResponse validation in POST /api/v1/response/
Checklist
[ ] I have written unit tests for the code I added
QA Steps
npm test
At the moment, two /api/v1/response tests fail because the API now requires the SDCForm connected to the validating SDCFormResponse to exist in the database, and the API returns a 404 if it doesn't exist.
Description
Checklist
QA Steps
At the moment, two /api/v1/response tests fail because the API now requires the SDCForm connected to the validating SDCFormResponse to exist in the database, and the API returns a 404 if it doesn't exist.