"Fill required fields": don't add anything in case there are no required fields or no fields at all

[novusnota]

No required fields:

struct VM {
    exitCode: Int = 0;
    gasConsumed: Int = 0;
}

fun example() {
    // This
    VM{};

    // Should not become this
    VM{

    };
}

No fields:

message(420) TimeTo {}

fun example() {
    // This
    TimeTo{};

    // Should not become this
    TimeTo{

    };
}