fix scanning for market issued assets
fix scanning for market issued assets

RemitaBit/Remitabit,camponez/bitshares,RemitaBit/Remitabit,bitshares/bitshares-0.x,RemitaBit/Remitabit,bitshares/bitshares,bitsuperlab/cpp-play,bitshares/bitshares,RemitaBit/Remitabit,FollowMyVote/bitshares,bitshares/bitshares,Ziftr/bitshares,bitshares/bitshares,bitshares/bitshares-0.x,frrp/bitshares,dacsunlimited/dac_play,jakeporter/Bitshares,bitshares/devshares,frrp/bitshares,denkhaus/bitsharesx,dacsunlimited/dac_play,drltc/keyid,bitshares/devshares,bitshares/bitshares-0.x,bitsuperlab/cpp-play,drltc/keyid,jakeporter/Bitshares,bitsuperlab/cpp-play,frrp/bitshares,frrp/bitshares,Ziftr/bitshares,bitsuperlab/cpp-play,Ziftr/bitshares,denkhaus/bitsharesx,dacsunlimited/dac_play,jakeporter/Bitshares,frrp/bitshares,FollowMyVote/bitshares,camponez/bitshares,bitsuperlab/cpp-play,jakeporter/Bitshares,bitshares/bitshares-0.x,jakeporter/Bitshares,dacsunlimited/dac_play,FollowMyVote/bitshares,frrp/bitshares,FollowMyVote/bitshares,camponez/bitshares,bitshares/bitshares-0.x,drltc/keyid,bitsuperlab/cpp-play,camponez/bitshares,camponez/bitshares,bitshares/devshares,dacsunlimited/dac_play,Ziftr/bitshares,FollowMyVote/bitshares,camponez/bitshares,FollowMyVote/bitshares,denkhaus/bitsharesx,bitshares/bitshares,bitshares/bitshares,bitshares/devshares,RemitaBit/Remitabit,bitshares/bitshares-0.x,bitshares/devshares,RemitaBit/Remitabit,bitshares/devshares,dacsunlimited/dac_play,denkhaus/bitsharesx,drltc/keyid,jakeporter/Bitshares