Fix moment.js deprecation warning
Fix moment.js deprecation warning

moment construction using a non-iso string is deprecated, but we
can still safely construct the date with explicit date format.
(transferred from ManageIQ/manageiq@b9225e576b2996045de890b536077b7158f4464b)

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