refactor: Replace react-bootstrap Tabs with Antd Tabs in DashboardBuilder (#11160)

* Replace tabs in DashboardBuilder

* Fix tests

* Fix styling of anchor

* Fix

* Fix cypress test

* Fix tests

* Fix e2e tests

* Use data-tests

* Move tabs styles from superset.less to Emotion

* Restyle tabs in DashboardBuilder

* Test fix

* Fix styling

superset-frontend/spec/javascripts/dashboard/components/DashboardBuilder_spec.jsx

@@ -179,7 +179,7 @@ describe('DashboardBuilder', () => {
     expect(wrapper.find(TabContainer).prop('activeKey')).toBe(0);
 
     wrapper
-      .find('.dashboard-component-tabs .nav-tabs a')
+      .find('.dashboard-component-tabs .ant-tabs .ant-tabs-tab')
       .at(1)
       .simulate('click');