Align the present proof protocol to specification

### Proposed feature

https://github.com/hyperledger-identus/cloud-agent/blob/2d573235e4eb4eaa14d1435812d7f54477dc09ce/mercury/protocol-present-proof/Present-Proof-Protocol.md?plain=1#L18-L23
align the present proof protocol puri / type
https://github.com/decentralized-identity/waci-didcomm/blob/main/present_proof/present-proof-v3.md

### Feature description

Align the following fields in the Hyperledger Identus Present Proof protocol with (https://didcomm.org/present-proof/3.0/)WACI-DIDComm v3

1. DIDComm Message type Field
Current: Uses Identus-specific URIs (e.g., https://didcomm.org/present-proof/3.0/request-presentation)

Proposed: Adopt the WACI-DIDComm v3 URI convention:

"type": "https://didcomm.org/present-proof/3.0/request-presentation"

### Anything else?

_No response_