decodeFromCredentialIdentifier

Reverse functionality of encodeToCredentialIdentifier, which can also handle ISO namespaces, i.e. decodes a single string into a credential scheme and format, e.g. from AtomicAttribute2023#jwt_vc_json to at.asitplus.wallet.lib.data.ConstantIndex.AtomicAttribute2023 and CredentialFormatEnum.JWT_VC