When all track filters are off, there should not be any challenges displayed

When all track filters are off, there should not be any challenges displayed actual: <img width="1440" alt="Screenshot 2020-10-02 at 1 03 41 PM" src="https://user-images.githubusercontent.com/58783823/94898765-bc4ec980-04af-11eb-9726-cc7488e7869b.png"> expected: <img width="1440" alt="Screenshot 2020-10-02 at 1 03 25 PM" src="https://user-images.githubusercontent.com/58783823/94898780-c1137d80-04af-11eb-9766-34fb87e20134.png">

This is the api call when all filters are off which returns all challenges, https://api.topcoder-dev.com/v5/challenges/?status=Active&isLightweight=true&perPage=1

cc @luizrrodrigues

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Git issue link: https://github.com/topcoder-platform/community-app/issues/5036