Fix textual summary for services Use try for megabytes as aggregate_all_vm_memory_on_disk can be nil
Fix textual summary for services
Use try for megabytes as aggregate_all_vm_memory_on_disk can be nil

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