Enable protogetter linter

Enable protogetter linter to mitigate:

Protogetter is a linter developed specifically for Go programmers working with nested protobuf types. It's designed to aid developers in preventing invalid memory address or nil pointer dereference errors arising from direct access of nested protobuf fields.

application-framework/registration/registration.go

@@ -36,5 +36,5 @@ func Register(ctx context.Context, gosdnAddress, name, token string) (string, er
 		return "", err
 	}
 
-	return response.Queueconnection, nil
+	return response.GetQueueconnection(), nil
 }