[Key Vault Admin] Restore LRO error question

[sadasant]

We currently do the following for the KV Admin Restore LRO errors:

• We only assume they're valid if they have a message.
• We instantiate a new error based on the incoming error's message (this is because the incoming error is of type ErrorModel).

Is this the correct behavior?

From Jeff's feedback here:

• [Key Vault] Full LRO refactoring #12630 (comment)
• [Key Vault] Full LRO refactoring #12630 (comment)

[maorleger]

We want to have a quick conversation with the service folks about what we can expect when an error condition happens. Right now there's an open issue in ADO because Authentication errors are not showing up in the error field, but are in status Details.

Ideally we'd make sure that all error conditions show up in the error field itself and we will need to confirm with them whether an error with no message is still a valid error condition (for example, maybe the innerError if still present has the message)

[maorleger]

Actually, closing this one in favor of #13632