[FIX] missing values for some field types when they are empty
[FIX] missing values for some field types when they are empty

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