fix(frontend): refesh count after nlp sample import

[yassinedorbozgithub]

Motivation

The main motivation is to make the count counter updates automatically after the import of nlp sample csv file

Fixes #185

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

Checklist:

• [x] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation (Storybook)
• [ ] I have added unit tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes