Firefox CTAP2 error Pico Keys

I'm trying to get pico keys to work in firefox on linux polhenarejos/pico-fido#129. It works on macOS, windows, but it doesn't work linux. I tried looking at the logs via RUST_LOG=authenticator=debug firefox and it gave me this:

[INFO  authenticator::statemachine] error happened with device: Error: requested operation is not available on device
[INFO  authenticator::transport::platform::device] new device "/dev/hidraw3"
[INFO  authenticator::statemachine] error happened with device: Error: requested operation is not available on device
[INFO  authenticator::statemachine] error happened with device: Error: requested operation is not available on device
[INFO  authenticator::statemachine] error happened with device: Error: requested operation is not available on device
[INFO  authenticator::statemachine] error happened with device: Error: requested operation is not available on device
[INFO  authenticator::statemachine] error happened with device: Error: requested operation is not available on device
[INFO  authenticator::statemachine] error happened with device: Error: requested operation is not available on device
[INFO  authenticator::statemachine] Device "/dev/hidraw3" continues with the register process
[INFO  authenticator::ctap2] PIN Error that requires user interaction detected. Sending it back and waiting for a reply
[WARN  authenticator::ctap2] error happened: Error: Error issuing command: CommandError: Error while parsing: trailing data at offset 443
[INFO  authenticator::statemachine] Statemachine was cancelled. Cancelling transaction now.
[INFO  authenticator::transport::platform::transaction] Transaction was cancelled.

Reproduce the Pico key CTAP2 failure on Linux using the reported RUST_LOG command, then start with the authenticator::ctap2 and authenticator::statemachine paths shown in the logs. Done means the Firefox registration flow completes without the “trailing data at offset 443” parsing error.