[IMP] website: Allow override on FeatureSelectionScreen

Needed for task-3046679

closes odoo/odoo#107654

X-original-commit: 82c8638251bf90d21eb335ec2013c0c9ef0ad355
Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>

addons/website/static/src/client_actions/configurator/configurator.js

@@ -411,7 +411,7 @@ class ApplyConfiguratorScreen extends Component {
     }
 }
 
-class FeaturesSelectionScreen extends ApplyConfiguratorScreen {
+export class FeaturesSelectionScreen extends ApplyConfiguratorScreen {
     setup() {
         super.setup();
 
@@ -601,7 +601,7 @@ function useStore() {
     return useState(env.store);
 }
 
-class Configurator extends Component {
+export class Configurator extends Component {
     setup() {
         this.orm = useService('orm');
         this.action = useService('action');