Sorting, filtering and term search for a nested property not working

[vinaybedre]

Describe the bug
Sorting, filtering and term search for a nested property not working

To Reproduce
Steps to reproduce the behavior:
See the JSON model at http://www.objgen.com/json/models/6mT5A and the way how it works in MongoDB in images attached.
Properties inside array are specified with .(dot) notation. It works for both filter, projection and sorting too

Expected behavior
Sorting, filtering and term search should be supported as in MongoDB

Screenshots

Desktop (please complete the following information):

• OS: Windows 10
• Browser: Chrome
• Version: 69.0

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
https://twitter.com/iamcoolgeek/status/1045871137333207040

[JKHeadley]

Thanks for adding this! I haven't had a lot of time to work on the project lately but I will certainly try to attend to this at some point.