Setting the UA string in Electron doesn't propagate the change to the
iframe where the meeting is loaded (🤦).
Thus make it more resilient by trying different things:
- A freshly introduced "iAmSpot" config option, similar to Jibri
- The app ID is present in the UA string, so we can test for that
- As a last-ditch effort, check if the display name is the default
"Meeting Room"