Bug asset serialization in `condenser_api::get_config`
Asset-based fields in response received from condenser_api::get_config
are incorrectly serialized. Fields are returned in hf26 format, should be returned in legacy format.
Incorrectly serialized fields:
- HBD_SYMBOL,
- HIVE_ACTIVE_CHALLENGE_FEE,
- HIVE_MIN_CONTENT_REWARD,
- HIVE_MIN_CURATE_REWARD,
- HIVE_MIN_LIQUIDITY_REWARD,
- HIVE_MIN_PAYOUT_HBD,
- HIVE_MIN_POW_REWARD,
- HIVE_MIN_PRODUCER_REWARD,
- HIVE_MINING_REWARD,
- HIVE_OWNER_CHALLENGE_FEE,
- HIVE_SYMBOL,
- VESTS_SYMBOL.