Changes to Create a checker quote for a fund approval

added the optional property error/authorization to the response with the 400 status

added the optional property error/authorization to the response with the 401 status

added the optional property error/authorization to the response with the 403 status

added the optional property error/authorization to the response with the 404 status

added the optional property error/authorization to the response with the 409 status

added the optional property error/authorization to the response with the 503 status

added the optional property error/authorization to the response with the default status

the response property settled_ts became nullable for the status 200

added the new solana enum value to the selected_route/source response property for the response status 200

added the new solana enum value to the selected_route/source_network response property for the response status 200

api tag customer-session added

added the optional property selected_route to the response with the 200 status

endpoint added