code review

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

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

frontend/src/metabase/meta/types/Card.js

frontend/src/metabase/meta/types/Visualization.js

frontend/src/metabase/qb/components/actions/XRayCard.jsx

frontend/src/metabase/qb/components/actions/XRaySegment.jsx

frontend/src/metabase/qb/components/modes/SegmentMode.jsx

frontend/src/metabase/query_builder/actions.js

...d/src/metabase/query_builder/components/ActionsWidget.jsx

...nd/src/metabase/query_builder/containers/QueryBuilder.jsx

frontend/src/metabase/query_builder/selectors.js

.../src/metabase/visualizations/components/Visualization.jsx

frontend/test/query_builder/actions.integ.spec.js

frontend/test/xray/xray.integ.spec.js