VTT | Status code 500 received from connector when use invalid value for parameters

[ralupopa]

1. Create product for VTT data Source
2. Fetch product with some of parameters with invalid values
   eg:

• "period": "2020-11-08T18:14:35/"
• "upperRightCornerCoordinateAxis2": "null"

Result
Status received from connector is 500.

Wanted
Usually in PoT we strive for 422 for invalid stuff according to https://design.oftrust.net/requests/error-handling