[FIX] tools: i18n_extra loading, backport of 7c2795ca
[FIX] tools: i18n_extra loading, backport of 7c2795ca

In case of different directory for stroing po and pot files than 'i18n'
(e.g. 'i18n_extra'), a po could be linked to a wrong pot file.
Use the same folder as the po file to look for pot.
Closes #4323

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