Listings: skills filter is not returning any search results while the user types

Listings: skills filter is not returning any search results while the user types
<img width="1440" alt="Screenshot 2021-06-23 at 9 59 11 AM" src="https://user-images.githubusercontent.com/58783823/123035885-c5027980-d409-11eb-90bb-1d568b6a7f29.png">

cc @sushilshinde @Oanh-and-only-Oanh 