get Display Label
A helper function to get a Claim's label / name in a specific language.
Return
the label / name of the claim in the desired language. If the languageKey is not available, the path (see CredentialMetadata) of the Claim is returned. If the path is also not available, an empty String is returned.
Parameters
language Key
the ISO 631-1 2-digit language code of the desired language the label should be in.
fallback Language Key
the ISO 631-1 2-digit language code of the fallback language the label should be in if the languageKey is not available.