Add type column to collections + hydrate dashboards and cards with it (#30994)

* add migration for typed collections

* add hydration of collections to card+dashboard api

- adds it for:
  - GET /api/question/:id
  - GET /api/dashboard/:id

* fix test that checks for collection shape

* get tests working with hydrated collection

* typo fixes

* fix more tests

- PUT requests don't hydrate :collection

* update tests to fix param_values {} vs nil inconsistencies