Replace Invalid Channel error message with a more informative message

[waldenraines]

Error message Invalid channel is shown for Chrome Windows with ledger interactions:

We should provide a more informative error message for this case.

I'm submitting a…

• Regression (a behavior that used to work and stopped working in a new release)
• Bug report
• Feature request
• Documentation issue or request
• Support request

Expected Behavior

A more informative error message

Current Behavior

Error message that says Invalid Channel

Possible Solution

Display an error message with the workaround listed below?

Workaround

Disable the new-usb-backend and use the old version:

1. Paste this in the Chrome URL bar: chrome://flags#new-usb-backend
2. Change it to be Disabled if it shows up as Default enabled.
3. Chrome will refresh

Steps to Reproduce (for bugs)

1. Obtain a windows machine with Chrome 87+
2. Plug in your ledger and attempt to import an xpub
3. Note obscure error message

Environment

Chrome 87+ Windows