Did you get any email from IRCC about the update or you just happened to log into your GCKey account and saw the status as changed and after expanding the status update it went back to 'action required'.it was just a ghost update at one minute status was updated and after few minutes it changed back to your action is required
I mean it's a good sign, they're probably working on your application. Does that also mean having biometrics is not necessary for them to at least start working on your application, say maybe determine one's eligibility?