Merge pull request #6121 from metabase/smarter-xray-comparisons-page

.flowconfig

.../metabase/admin/settings/containers/SettingsEditorApp.jsx

frontend/src/metabase/components/AdminLayout.jsx

frontend/src/metabase/components/EntityMenu.jsx

frontend/src/metabase/components/Select.jsx

frontend/src/metabase/icon_paths.js

...c/metabase/query_builder/components/NativeQueryEditor.jsx

frontend/src/metabase/routes.jsx

frontend/src/metabase/services.js

frontend/src/metabase/xray/components/ComparisonDropdown.jsx

frontend/src/metabase/xray/components/Constituent.jsx

frontend/src/metabase/xray/components/ItemLink.jsx

frontend/src/metabase/xray/components/XRayComparison.jsx

frontend/src/metabase/xray/containers/CardXRay.jsx

frontend/src/metabase/xray/containers/FieldXray.jsx

...d/src/metabase/xray/containers/SegmentTableComparison.jsx

frontend/src/metabase/xray/containers/SegmentXRay.jsx

...tend/src/metabase/xray/containers/TableLikeComparison.jsx

frontend/src/metabase/xray/containers/TableXRay.jsx

frontend/src/metabase/xray/selectors.js