Use the Host and Service object class helpers instead of MonitoringState

This also ensures that all state names that are shown to the user are
properly translated.

refs #7996
Use the Host and Service object class helpers instead of the Util view helper

This also ensures that all state names that are shown to the user are
properly translated.

refs #7996
Merge branch 'bugfix/drop-obsolete-state-helpers-7996'

fixes #7996
Reorder use statements to be in alphabetical order