Data source import shows as blank

[BrianWhitneyAI]

Description

When importing a data source the core panel shows as all blank values. The data itself is there as clicking on a file will bring up the sidebar. I believe this is due to some saved config to redux that is not cleared on app build.

Reproducibility

To reproduce this bug on main I do the following from repo head

git clean -Xfd
npm ci
cd  /packages/desktop
npm run start 

1. Then make sure that there are no existing data sources or queries, If there are delete them and close and reopen app.
2. Import the variance dataset