kivy: use Clock.schedule_once for actions in settings menu
kivy: use Clock.schedule_once for actions in settings menu

fujicoin/electrum-fjc,spesmilo/electrum,imrehg/electrum,cryptapus/electrum-uno,vertcoin/electrum-vtc,imrehg/electrum,aasiutin/electrum,cryptapus/electrum,asfin/electrum,dashpay/electrum-dash,procrasti/electrum,fireduck64/electrum,imrehg/electrum,vialectrum/vialectrum,cryptapus/electrum-uno,fireduck64/electrum,cryptapus/electrum-myr,fujicoin/electrum-fjc,protonn/Electrum-Cash,asfin/electrum,neocogent/electrum,cryptapus/electrum-myr,cryptapus/electrum-myr,vertcoin/electrum-vtc,kyuupichan/electrum,dabura667/electrum,digitalbitbox/electrum,dabura667/electrum,romanz/electrum,vialectrum/vialectrum,procrasti/electrum,FairCoinTeam/electrum-fair,cryptapus/electrum,protonn/Electrum-Cash,wakiyamap/electrum-mona,cryptapus/electrum-myr,asfin/electrum,spesmilo/electrum,wakiyamap/electrum-mona,molecular/electrum,romanz/electrum,pknight007/electrum-vtc,digitalbitbox/electrum,digitalbitbox/electrum,dashpay/electrum-dash,neocogent/electrum,pooler/electrum-ltc,cryptapus/electrum-uno,vertcoin/electrum-vtc,argentumproject/electrum-arg,protonn/Electrum-Cash,wakiyamap/electrum-mona,FairCoinTeam/electrum-fair,aasiutin/electrum,fyookball/electrum,pknight007/electrum-vtc,pknight007/electrum-vtc,FairCoinTeam/electrum-fair,argentumproject/electrum-arg,pooler/electrum-ltc,molecular/electrum,pooler/electrum-ltc,fujicoin/electrum-fjc,spesmilo/electrum,aasiutin/electrum,fireduck64/electrum,wakiyamap/electrum-mona,kyuupichan/electrum,neocogent/electrum,spesmilo/electrum,molecular/electrum,dabura667/electrum,argentumproject/electrum-arg,dashpay/electrum-dash,lbryio/lbryum,imrehg/electrum,kyuupichan/electrum,argentumproject/electrum-arg,procrasti/electrum,cryptapus/electrum,protonn/Electrum-Cash,fyookball/electrum,FairCoinTeam/electrum-fair,cryptapus/electrum-uno,pknight007/electrum-vtc,digitalbitbox/electrum,fyookball/electrum,pooler/electrum-ltc,aasiutin/electrum,dabura667/electrum,fireduck64/electrum,vialectrum/vialectrum,molecular/electrum,procrasti/electrum,romanz/electrum,lbryio/lbryum,dashpay/electrum-dash,vertcoin/electrum-vtc