Foorm Pipeline Improvements

[molly-moen]

This PR contains a couple improvements to the survey pipeline, along with some minor bug fixes:

• Added unit tests to foorm survey pipeline.
• Enabled rollups on single-select questions (checkbox, radio, etc.)
• Minor improvements to CSF intro survey

Links

• jira

Testing story

Added unit tests that cover the components of the survey pipeline as well as E2E tests. Verified through unit and manual testing that new rollup types work as expected.

Reviewer Checklist:

• Tests provide adequate coverage
• Code is well-commented
• New features are translatable or updates will not break translations
• Relevant documentation has been added or updated
• User impact is well-understood and desirable
• Pull Request is labeled appropriately
• Follow-up work items (including potential tech debt) are tracked and linked

[breville]

Love the testing and all the work you put into building the test data!