Remove collections without questions or models from SavedQuestionPicker (#28490)

frontend/src/metabase-types/api/collection.ts

frontend/src/metabase-types/store/entities.ts

...llections/containers/FormAuthorityLevelFieldContainer.tsx

frontend/src/metabase/collections/utils.ts

...nd/src/metabase/containers/DataPicker/CardPicker/utils.ts

frontend/src/metabase/entities/collections/constants.ts

frontend/src/metabase/entities/collections/utils.ts

...tend/src/metabase/entities/collections/utils.unit.spec.ts

frontend/src/metabase/lib/collections.ts

...ataSelector/saved-question-picker/SavedQuestionPicker.jsx

...r/saved-question-picker/SavedQuestionPicker.unit.spec.jsx

...nd/test/__support__/e2e/helpers/e2e-collection-helpers.js

frontend/test/__support__/e2e/helpers/e2e-misc-helpers.js

...est/metabase/scenarios/collections/collections.cy.spec.js

frontend/test/metabase/scenarios/question/new.cy.spec.js

...etabase/scenarios/question/question-management.cy.spec.js