Make AWS region dropdown under schedules consistent with add provider
Make AWS region dropdown under schedules consistent with add provider

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1710623

ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic