For every peer expose through `getpeerinfo` RPC whether or not we selected them as HB peers, and whether or not they selected us as HB peers.

Suggestion by @gmaxwell.
LogPrint(BCLog::MEMPOOL, "mapOrphan overflow, removed %u tx\n", nEvicted);
                }
            } else {
                LogPrint(BCLog::MEMPOOL, "not keeping orphan with rejected parents %s\n",tx.GetHash().ToString());
                
                
                
                
                
                
                recentRejects->insert(tx.GetHash());
                recentRejects->insert(tx.GetWitnessHash());
                m_txrequest.ForgetTxHash(tx.GetHash());
                m_txrequest.ForgetTxHash(tx.GetWitnessHash());
            }
        } else {
            if (state.GetResult() != TxValidationResult::TX_WITNESS_STRIPPED) {