[Data] Request's Query/Count metric doesn't seem to account for MongoDB calls

[lostintangent]

Repro steps:

1. Add a MongoDB call to an app's route (I'm using Mongoose, but it shouldn't matter)
2. Run the app to exercise that call
3. Open up the Glimpse client and select the respective request entry

Expected: To see the Query/Count metric reflect the single Mongo call and its duration. Actual: The metric simply displays 0ms / 0

If I select the Data sub-tab, I do in fact see the Mongo call and its duration, so it just seems to be an issue with the request metric in its summary pane. Apologies if I'm misinterpreting what this metric is meant to represent.

[mike-kaufman]

Should be a dup of https://github.com/Glimpse/Glimpse.Node/issues/500. This should get resolved with https://github.com/Glimpse/Glimpse.Node/issues/496.

[nikmd23]

I don't think this is a dup of Glimpse/Glimpse.Node#500, since @lostintangent is actually seeing the query, it's just the overview section isn't being updated properly.

However, as I explained in #28, the overview section needs some major love in general.