Resolve #3586024: Uncaught exception in settings service with invalid api key and secret

Closes #3586024

Steps to test

• Install conductor. No need to configure any api key or secret
• go to /canvas and open the extension
• Confirm in the Browser Console that there is no 500 Error
• Confirm the message is "Unable to fetch settings: Key ID not found"
• Configure wrong credentials ({"api_key": "test","shared_secret": "test"})
• Go to /canvas and open the extension.
• Confirm in the Browser console that there is no 500 Error
• Confirm the message is "Unable to fetch settings: No conductor account ID found."