[FEATURE] Search by field in Feedback datasets

[nataliaElv]

Is your feature request related to a problem? Please describe.
When doing keyword search, I'd like to specify in which field the match should happen.

Describe the solution you'd like
Something similar to what happens in Text Classification datasets, where I can specify field1:keyword.

Describe alternatives you've considered
A field selector in the search bar.

Additional context
Add any other context or screenshots about the feature request here.