`ContentBallotPayload` CBOR deterministic decoding.

[Mr-Leshiy]

Summary

Enforce strict CBOR deterministic decoding by uses cbork_utils::map::Map::decode(d, &mut DecodeCtx::Deterministic) and cbork_utils::array::Array::decode(d, &mut DecodeCtx::Deterministic) for all underlying CBOR types of ContentBallotPayload.