Add comment when offering credential and proof request

agent-swagger.json

...odals/OfferCredentialDialog/OfferCredentialDialogStore.ts

apps/dashboard/src/modals/OfferCredentialDialog/index.tsx

.../src/modals/RequestProofDialog/RequestProofDialogStore.ts

apps/dashboard/src/modals/RequestProofDialog/index.tsx

libs/askar/src/askar/agent.credentials.service.ts

libs/askar/src/askar/agent.proofs.service.ts

libs/clients/src/frontend/agent_gen.ts

libs/dtos/src/dtos/requests/offer.credential.request.dto.ts

libs/dtos/src/dtos/requests/request.proof.dto.ts