Open site-wizard, type name select Features, and save it
Do not close the site-wizard and add new template, select Site in supports, select 'main region' in the controller-selector(do not close the wizard as well)
go to the site-wizard, page is not correctly updated:
refresh the site wizard and dropdown disappears:
Case 2
Go to the Template-wizard and delete it
Go to the site-wizard
Page-controller dropdown should appear in the site-wizard, when template has been removed
Case 1
refresh the site wizard and dropdown disappears:
Case 2
But actually is :