[FIX] check if the sub_mapping field is already in vals before adding one in order to support several sub_mappings with same names
[FIX] check if the sub_mapping field is already in vals before adding one in order to support several sub_mappings with same names


acsone/connector,guewen/connector,esousy/connector,hugosantosred/connector,BT-ojossen/connector,Antiun/connector,Endika/connector,gurneyalex/connector,anybox/connector,mohamedhagag/connector,MindAndGo/connector,guewen/connector,acsone/connector,acsone/connector,mohamedhagag/connector,maljac/connector,brain-tec/connector,open-synergy/connector,dvitme/connector,sylvain-garancher/connector,fevxie/connector,BT-jmichaud/connector,zhaohuaw/connector,BT-jmichaud/connector,dvitme/connector,js-landoo/connector,Antiun/connector,fevxie/connector,esousy/connector,brain-tec/connector,brain-tec/connector,BT-fgarbely/connector,MindAndGo/connector,hugosantosred/connector,maljac/connector,zhaohuaw/connector,open-synergy/connector,Endika/connector,anybox/connector,sylvain-garancher/connector,BT-ojossen/connector,js-landoo/connector,BT-fgarbely/connector,gurneyalex/connector