Fix (Search): Fix search request
Fix search request, we send to the provider the nationality info in the "codnac" node.
Sellers at 2023-03-23:
- On Holiday Group - [OHG]
- Hotetec - [TEC]
- Perlatours (DOME) - [PERT]
- iTravex - [ITVX]
- Kurban Tours - [KRB]
- Gaviota Hoteles (Hotetec) - [GAVT]