So values are getting saved in local storage but for some reason when I refresh these values are not getting loaded in the tab editors. I tried on GraphiQL repo's latest build and this feature is working as expected so it is something we need to fix for Helix's GraphiQL instance.
![image](https://user-images.githubusercontent.com/44710980/142363242-6c1535c5-44cf-4a94-8962-2513ba316cae.png)