fix: set scriptSig when spending from coinbase
fix: set scriptSig when spending from coinbase

neocogent/electrum,fujicoin/electrum-fjc,digitalbitbox/electrum,wakiyamap/electrum-mona,digitalbitbox/electrum,cryptapus/electrum,neocogent/electrum,romanz/electrum,kyuupichan/electrum,vialectrum/vialectrum,dabura667/electrum,kyuupichan/electrum,neocogent/electrum,romanz/electrum,asfin/electrum,wakiyamap/electrum-mona,asfin/electrum,spesmilo/electrum,spesmilo/electrum,cryptapus/electrum,asfin/electrum,cryptapus/electrum,digitalbitbox/electrum,pooler/electrum-ltc,dabura667/electrum,fyookball/electrum,spesmilo/electrum,pooler/electrum-ltc,digitalbitbox/electrum,pooler/electrum-ltc,fyookball/electrum,vialectrum/vialectrum,wakiyamap/electrum-mona,fujicoin/electrum-fjc,wakiyamap/electrum-mona,fujicoin/electrum-fjc,dabura667/electrum,dabura667/electrum,vialectrum/vialectrum,romanz/electrum,spesmilo/electrum,kyuupichan/electrum,fyookball/electrum,pooler/electrum-ltc