Bolt Card performance with different TPOS instances

[HamishMacEwan]

Describe the bug
Bolt Card's don't all work as well with different instances of the TPOS extension

To Reproduce
Using four LNbits instances in different contexts and Bolt Cards (from different suppliers) registered/configured with three of those instances, I got the following results:

from https://docs.google.com/spreadsheets/d/1nVRnjUGbhEE0lJ-NFahoVnJgvfqCwQiV5_d9MSPX9aM/edit?usp=sharing

Expected behavior
Success in all tests.

Screenshots
Here's a video of "Unexpected Error", "Waiting for payment",✔ It takes much longer, success is pretty near instant.

Bolt.Card.presentation.XRecorder_30102022_193155.mp4

[callebtc]

I'm clueless but I'll ping @blackcoffeexbt and @iWarpBTC, maybe they know something.

[iWarpBTC]

Seems to me as the tpos extension having some problem with lnurl interaction flow...