Is there a "show all menu items" listed at the bottom of the Type menu?
No, the last entry in the Type Menu is 'Show hidden characters'
Sounds like either a disabled plugin, or a bad install. Check the plugin first.
Open Extension Manager (you can do that from the Help menu) and make sure the Font Usage Dialog plugin is listed and has a checkmark next to it.
That's absolutely spot-on!
The Font Usage Dialog plugin was not enabled – it is now and the 'Find Font' option is now available in the Type Menu.
Many thanks Peter!