Remove Option from NoteGetterOption::select

[nventuro]

The select function has the following signature:

pub fn select<T>(
    &mut self,
    property_selector: PropertySelector,
    value: T,
    comparator: Option<u8>)

If the option is none, it defaults to EQ. This makes for cryptic code, e.g.:

options.select(NFTNote::properties().token_id, token_id, Option::none()).set_limit(1);

I think we should remove this option and make the comparator mandatory, so the above would then become:

options.select(NFTNote::properties().token_id, token_id, EQ).set_limit(1);

which is much more reasonable. We could even switch the order of the params, like we did in #8384, so that it's lhs, op, rhs.

[benesjan]

Having lhs, op, rhs would be nice 👍