[C++][Arrow Flight SQL ODBC] Develop basic connectivity: SQLDriverConnect, SQLConnect, and SQLDisconnect, and DSN window

[alinaliBQ]

Describe the enhancement requested

Implement SQLDriverConnect, SQLConnect, and SQLDisconnect to connect to an Arrow Flight SQL server. Also enable DSN window.

• Parent issue: [C++] Implement ODBC driver "wrapper" using FlightSQL #30622

Component(s)

FlightRPC