getCredentials
Retrieve all mobile credentials' metadata from storage.
MobileCredentialMetaData does not include Personally Identifiable Information (PII) or the verification result.
Return
A list of all mobile credentials stored by the SDK as instances of MobileCredentialMetaData.
Throws
If the SDK API is called before the SDK is initialized.
If there is an error in generating the metadata from the metadata record.
If the trusted issuer certificate is not found.