Bug 219157

While the current text shown by Safari during a WebAuthn assertion [navigator.get()] makes sense in the context of a sign-in, it inhibits using the feature for other use cases such as payment authorization or step-up authentication. When invoking WebAuthn during these use cases, the current text displayed on the dialog presented by the browser leads to confusion ("Do you want to sign-in to example.com using user@example.com"). Other browsers are using text that is somewhat more generic, enabling such use-cases: * "Use your security key with example.com" * "example.com wants to authenticate you using a registered security key" * "For security, ~application~ needs to verify your identity" Would it be possible to consider displaying a message that is slightly more generic during the navigator.get() operation, enabling additional WebAuthn use cases other than sign-in?