fix barter fee asset issue, memo calculation still off
fix barter fee asset issue, memo calculation still off

Signed-off-by: Stefan Schiessl <610ec3b1572f6c4be8e59d96e755eaafd4435708@blockchainprojectsbv.com>

bitshares/bitshares-2-ui,bitshares/bitshares-2-ui,bitshares/bitshares-ui,bitshares/bitshares-ui,bitshares/bitshares-2-ui,bitshares/bitshares-ui,bitshares/bitshares-ui