Fix (Hotels): Country ISO code not null
Sellers at 2022-03-15:
- Netstorming Connector - [NSTC]
- Italian Escapade - [ITL]
- Tower - [TWR]
- AIC Travel Group - [AIC]
- Magica Italia Travel - [MAI]
- AlbaTravel Group - [ALB]
- One Up Travel - [OUT]
- MyGo - [MYGO]
- Brillandia - [BRI]