Refactor data model tab (#9957)

...etabase/admin/datamodel/containers/RevisionHistoryApp.jsx

...nd/src/metabase/admin/datamodel/containers/SegmentApp.jsx

...d/src/metabase/admin/datamodel/containers/SegmentForm.jsx

.../metabase/admin/datamodel/containers/TableSettingsApp.jsx

frontend/src/metabase/admin/datamodel/datamodel.js

frontend/src/metabase/admin/datamodel/selectors.js

...d/src/metabase/admin/datamodel/withTableMetadataLoaded.js

frontend/src/metabase/containers/ItemPicker.jsx

...end/src/metabase/entities/containers/EntityListLoader.jsx

...d/src/metabase/entities/containers/EntityObjectLoader.jsx

frontend/src/metabase/entities/databases.js

frontend/src/metabase/entities/metrics.js

frontend/src/metabase/entities/segments.js

frontend/src/metabase/entities/tables.js

frontend/src/metabase/lib/entities.js

frontend/src/metabase/lib/redux.js

frontend/src/metabase/lib/schema_metadata.js

frontend/src/metabase/query_builder/actions.js

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

frontend/src/metabase/query_builder/selectors.js