Simple mode for datasets, update dataset headers (#18993)

frontend/src/metabase-lib/lib/Question.js

frontend/src/metabase/components/Timeline.styled.jsx

frontend/src/metabase/containers/SaveQuestionModal.jsx

frontend/src/metabase/dataset/actions.js

frontend/src/metabase/dataset/reducer.js

frontend/src/metabase/dataset/selectors.js

frontend/src/metabase/entities/tables.js

frontend/src/metabase/lib/revisions/revisions.js

frontend/src/metabase/query_builder/actions.js

...base/query_builder/components/view/QuestionDataSource.jsx

...y_builder/components/view/QuestionDataSource.unit.spec.js

...ase/query_builder/components/view/QuestionDescription.jsx

...etabase/query_builder/components/view/QuestionLineage.jsx

...src/metabase/query_builder/components/view/ViewHeader.jsx

...abase/query_builder/components/view/ViewHeader.styled.jsx

...tabase/query_builder/containers/DatasetMetadataEditor.jsx

frontend/src/metabase/query_builder/utils.js

frontend/test/metabase/entities/tables.unit.spec.js

...tend/test/metabase/scenarios/question/datasets.cy.spec.js