UI cleanup of validate buttons code
UI cleanup of validate buttons code

UI cleanup of validate buttons code, making it the same as
for keypair.
(transferred from ManageIQ/manageiq@978cea75c14ca7ca5ce90365c5c6a9da29e7572e)

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