[API] The endpoint GET /api/centers/search/advanced provides status code 500 when sort field in the request is invalid (e.g sort =1, sort = ))

[zahar777]

Environment: Postman

Preconditions
Sign in to the system
POST request http://speak-ukrainian.eastus2.cloudapp.azure.com/dev/api/signin
Body
{
"email": "[email protected]",
"password": "Admin_QC24"
}
{{server}} = http://speak-ukrainian.eastus2.cloudapp.azure.com

Steps to reproduce

1. Set up GET reques {{server}}/dev/api/centers/search/advanced?centerName=Курси програмування IT-stat&districtName=&cityName=Запоріжжя&stationName=string&page=1&size=1&sort=1

Actual result
Status code 500

Expected result
Status code 400 bad request

Labels to be added
"Bug", Priority ("pri: HIght"), Severity ("severity:Low"), Type ("UI, "Functional"), "API" (for back-end bugs).