qt MessageBox: make text selectable
qt MessageBox: make text selectable

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