[Bug]: Firmware too old popup

[DaneEvans]

Checklist

• [x] I am able to reproduce the bug with the latest version.

• [x] I made sure that there are no existing OPEN or CLOSED issues which I could contribute my information to.

• [x] I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.

• [x] This issue contains only one bug.

• [x] I have read and understood the Contribution Guidelines.

• [x] I agree to follow this project's Code of Conduct

Affected app version

2.7.6+

Affected node firmware version

2.7.12?

Steps to reproduce the bug

Seems to be a race condition, but I saw it again several times yesterday on HEAD. We should try and track down what causes this, given that it locks you out fully for a session despite being wrong.