[FIX] account_voucher: amount currency on supplier payment
[FIX] account_voucher: amount currency on supplier payment

In scenario described at #1490 (comment 152726416), amount_currency of a
supplier payment has the incorrect sign
Complete ede807d2955
Closes #9347

BT-rmartin/odoo,microcom/odoo,Adel-Magebinary/odoo,CatsAndDogsbvba/odoo,sysadminmatmoz/OCB,optima-ict/odoo,factorlibre/OCB,hassoon3/odoo,Elico-Corp/odoo_OCB,Noviat/odoo,NeovaHealth/odoo,diagramsoftware/odoo,sysadminmatmoz/OCB,diagramsoftware/odoo,laslabs/odoo,Elico-Corp/odoo_OCB,makinacorpus/odoo,jfpla/odoo,vnsofthe/odoo,Elico-Corp/odoo_OCB,CatsAndDogsbvba/odoo,grap/OpenUpgrade,ehirt/odoo,jfpla/odoo,stephen144/odoo,Adel-Magebinary/odoo,hassoon3/odoo,storm-computers/odoo,Daniel-CA/odoo,Antiun/odoo,shingonoide/odoo,mustafat/odoo-1,leorochael/odoo,Nowheresly/odoo,makinacorpus/odoo,ygol/odoo,Antiun/odoo,optima-ict/odoo,Endika/odoo,xzYue/odoo,shingonoide/odoo,makinacorpus/odoo,Noviat/odoo,datenbetrieb/odoo,Daniel-CA/odoo,Noviat/odoo,OpenUpgrade/OpenUpgrade,MarcosCommunity/odoo,MarcosCommunity/odoo,Daniel-CA/odoo,ehirt/odoo,tvibliani/odoo,Antiun/odoo,eino-makitalo/odoo,rubencabrera/odoo,laslabs/odoo,mustafat/odoo-1,leorochael/odoo,alexcuellar/odoo,jfpla/odoo,leorochael/odoo,hip-odoo/odoo,MarcosCommunity/odoo,Adel-Magebinary/odoo,markeTIC/OCB,BT-rmartin/odoo,glovebx/odoo,alexcuellar/odoo,laslabs/odoo,glovebx/odoo,Endika/OpenUpgrade,eino-makitalo/odoo,diagramsoftware/odoo,datenbetrieb/odoo,NeovaHealth/odoo,vnsofthe/odoo,Endika/odoo,sergio-incaser/odoo,odootr/odoo,Antiun/odoo,mustafat/odoo-1,Endika/odoo,datenbetrieb/odoo,odootr/odoo,NeovaHealth/odoo,OpenUpgrade/OpenUpgrade,alexcuellar/odoo,rubencabrera/odoo,funkring/fdoo,hip-odoo/odoo,dfang/odoo,tvibliani/odoo,OpenUpgrade/OpenUpgrade,OpenUpgrade/OpenUpgrade,odootr/odoo,ehirt/odoo,jiangzhixiao/odoo,grap/OpenUpgrade,laslabs/odoo,xzYue/odoo,Antiun/odoo,bplancher/odoo,Nowheresly/odoo,mustafat/odoo-1,Endika/odoo,MarcosCommunity/odoo,Endika/odoo,glovebx/odoo,jiangzhixiao/odoo,BT-rmartin/odoo,Noviat/odoo,funkring/fdoo,rubencabrera/odoo,CatsAndDogsbvba/odoo,ehirt/odoo,microcom/odoo,ygol/odoo,Endika/odoo,BT-ojossen/odoo,funkring/fdoo,sysadminmatmoz/OCB,MarcosCommunity/odoo,QianBIG/odoo,sergio-incaser/odoo,BT-ojossen/odoo,synconics/odoo,BT-rmartin/odoo,hassoon3/odoo,provaleks/o8,Nowheresly/odoo,QianBIG/odoo,synconics/odoo,Daniel-CA/odoo,storm-computers/odoo,leorochael/odoo,leorochael/odoo,xzYue/odoo,factorlibre/OCB,funkring/fdoo,alexcuellar/odoo,xzYue/odoo,factorlibre/OCB,sysadminmatmoz/OCB,jiangzhixiao/odoo,hassoon3/odoo,QianBIG/odoo,jfpla/odoo,Endika/OpenUpgrade,tvibliani/odoo,hip-odoo/odoo,factorlibre/OCB,hip-odoo/odoo,BT-ojossen/odoo,vnsofthe/odoo,provaleks/o8,spadae22/odoo,jiangzhixiao/odoo,QianBIG/odoo,Endika/OpenUpgrade,sergio-incaser/odoo,Daniel-CA/odoo,diagramsoftware/odoo,grap/OpenUpgrade,synconics/odoo,eino-makitalo/odoo,sysadminmatmoz/OCB,storm-computers/odoo,Antiun/odoo,OpenUpgrade/OpenUpgrade,funkring/fdoo,funkring/fdoo,xzYue/odoo,jiangzhixiao/odoo,markeTIC/OCB,draugiskisprendimai/odoo,makinacorpus/odoo,makinacorpus/odoo,synconics/odoo,xzYue/odoo,ygol/odoo,mustafat/odoo-1,sergio-incaser/odoo,mustafat/odoo-1,sergio-incaser/odoo,markeTIC/OCB,hip-odoo/odoo,ehirt/odoo,BT-ojossen/odoo,hassoon3/odoo,tvibliani/odoo,NeovaHealth/odoo,draugiskisprendimai/odoo,optima-ict/odoo,laslabs/odoo,spadae22/odoo,shingonoide/odoo,diagramsoftware/odoo,datenbetrieb/odoo,grap/OpenUpgrade,dfang/odoo,BT-ojossen/odoo,MarcosCommunity/odoo,Endika/OpenUpgrade,storm-computers/odoo,tvibliani/odoo,hip-odoo/odoo,microcom/odoo,eino-makitalo/odoo,dfang/odoo,tvibliani/odoo,Daniel-CA/odoo,ygol/odoo,provaleks/o8,factorlibre/OCB,mustafat/odoo-1,vnsofthe/odoo,NeovaHealth/odoo,glovebx/odoo,CatsAndDogsbvba/odoo,ygol/odoo,microcom/odoo,Endika/OpenUpgrade,BT-rmartin/odoo,jfpla/odoo,diagramsoftware/odoo,microcom/odoo,vnsofthe/odoo,bplancher/odoo,stephen144/odoo,hassoon3/odoo,Elico-Corp/odoo_OCB,laslabs/odoo,leorochael/odoo,glovebx/odoo,datenbetrieb/odoo,Nowheresly/odoo,Adel-Magebinary/odoo,bplancher/odoo,markeTIC/OCB,draugiskisprendimai/odoo,Endika/OpenUpgrade,microcom/odoo,shingonoide/odoo,dfang/odoo,tvibliani/odoo,shingonoide/odoo,Antiun/odoo,ygol/odoo,ehirt/odoo,synconics/odoo,Nowheresly/odoo,OpenUpgrade/OpenUpgrade,odootr/odoo,NeovaHealth/odoo,dfang/odoo,factorlibre/OCB,leorochael/odoo,shingonoide/odoo,QianBIG/odoo,datenbetrieb/odoo,alexcuellar/odoo,rubencabrera/odoo,Elico-Corp/odoo_OCB,alexcuellar/odoo,markeTIC/OCB,BT-rmartin/odoo,Noviat/odoo,factorlibre/OCB,Adel-Magebinary/odoo,grap/OpenUpgrade,jfpla/odoo,shingonoide/odoo,markeTIC/OCB,Elico-Corp/odoo_OCB,eino-makitalo/odoo,jiangzhixiao/odoo,storm-computers/odoo,spadae22/odoo,BT-rmartin/odoo,odootr/odoo,spadae22/odoo,sysadminmatmoz/OCB,rubencabrera/odoo,glovebx/odoo,stephen144/odoo,sergio-incaser/odoo,synconics/odoo,draugiskisprendimai/odoo,makinacorpus/odoo,Endika/odoo,provaleks/o8,draugiskisprendimai/odoo,CatsAndDogsbvba/odoo,sysadminmatmoz/OCB,Noviat/odoo,OpenUpgrade/OpenUpgrade,optima-ict/odoo,synconics/odoo,provaleks/o8,diagramsoftware/odoo,Nowheresly/odoo,CatsAndDogsbvba/odoo,eino-makitalo/odoo,dfang/odoo,xzYue/odoo,ehirt/odoo,alexcuellar/odoo,vnsofthe/odoo,provaleks/o8,draugiskisprendimai/odoo,draugiskisprendimai/odoo,bplancher/odoo,rubencabrera/odoo,Adel-Magebinary/odoo,MarcosCommunity/odoo,odootr/odoo,Adel-Magebinary/odoo,Noviat/odoo,provaleks/o8,storm-computers/odoo,MarcosCommunity/odoo,CatsAndDogsbvba/odoo,bplancher/odoo,stephen144/odoo,glovebx/odoo,jfpla/odoo,odootr/odoo,spadae22/odoo,Endika/OpenUpgrade,jiangzhixiao/odoo,eino-makitalo/odoo,stephen144/odoo,markeTIC/OCB,datenbetrieb/odoo,grap/OpenUpgrade,spadae22/odoo,makinacorpus/odoo,spadae22/odoo,optima-ict/odoo,QianBIG/odoo,rubencabrera/odoo,Nowheresly/odoo,ygol/odoo,NeovaHealth/odoo,stephen144/odoo,grap/OpenUpgrade,vnsofthe/odoo,BT-ojossen/odoo,bplancher/odoo,BT-ojossen/odoo,Daniel-CA/odoo,funkring/fdoo,optima-ict/odoo