Improve records view about mogollar HOT 2 OPEN

@dashersw I have a question regarding how to retrieve data types. From the screenshot you posted, I assume that we need BSON data types. mongoose does not provide a way of accessing underlying BSON data types. I also couldn't find a way to access these data types via the native driver. MongoDB has an extended JSON spec (https://github.com/mongodb/specifications/blob/master/source/extended-json.rst) but that seems to work more on the inserting or filtering part of queries, rather than evaluating a find query result. I've tried to use BSON parser (https://www.npmjs.com/package/bson#EJSON), which supports extended json deserialization but I couldn't get the underlying BSON types from that either.

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Oh I wasn't worried about BSON data types — but for each property we print, we should check whether they are boolean, string, number, Date, ObjectId, Array or Object. I found for object id's one can do record._id._bsontype and it returns ObjectID. For others, regular typeof checks (or Array.isArray and so on) should be enough?

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