chunkById() does not work when _id is integer

[halaei]

In order to reproduce, make a collection with documents having integer ids. Then run the following:

\DB::connection('mongodb')->enableQueryLog();
User::query()->chunkById(100, function ($collection) {
    dd($collection->count());
});
dd(\DB::connection('mongodb')->getQueryLog());

The expected behavior would be dumping the count of first chunk.
What actually happens is this query getting dumped:

users.find({"_id":{"$gt":"000000000000000000000000"}},{"sort":{"_id":1},"limit":100,"typeMap":{"root":"array","document":"array"}})

Apparently, no integer is less than '000000000000000000000000' in MongoDb.

A Related PR: #1317
ping @DFurnes
Any idea on how to fix this?

[halaei]

I think the related PR in laravel/framework fixes this as well. Just a need to delete a couple of lines after laravel 5.7 release.

[DFurnes]

Yep, removing that hack now that this is fixed in Laravel makes sense to me! 👍