Check for nil metric fields in containers dashboard (transferred from ManageIQ/manageiq@f0a133e089a94c2ec6e19f851fcb137f4ed84b41)
Check for nil metric fields in containers dashboard
(transferred from ManageIQ/manageiq@f0a133e089a94c2ec6e19f851fcb137f4ed84b41)

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