LG-9571: Warn on MVA error

[matthinz]

🎫 Ticket

LG-9571

🛠 Summary of changes

Adds a new warning screen shown to the user for certain types of AAMVA errors:

• When the MVA is unavailable ('ExceptionId: 0001')
• When there is a system error ('ExceptionId: 0002')
• When the request to the MVA has timed out ('ExceptionId: 0047')

(This covers the set of AAMVA errors seen in prod for the last ~4 months.)

📜 Testing Plan

1. Sign up and start identity verification
2. For your ID, upload a YAML document including the following:

state_id_number: "mvatimeout"
state_id_type: "drivers_license"
state_id_jurisdiction: "WA" # Needs to be an AAMVA state

3. You should get the "We are working to resolve an error" screen (below)
4. You should be able to retry over and over again without being throttled

👀 Screenshots

If relevant, include a screenshot or screen capture of the changes.

English:

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French:

[soniaconnolly]

I tried this out and everything worked great, except Exit Login.gov sent me to Cancel, which I wasn't expecting. I suppose if they go to /account they'll have to start over when they come back, but maybe the button should be clearer that it's Cancel and Exit Login.gov.

[matthinz]

Good catch, you're right! I checked with @artfulaction and it sounds like we want to use the return_to_sp url here. Updated in 43d0d32.

[soniaconnolly]

LGTM!

[soniaconnolly]

LGTM!