Nandhini/toggle post processing

[nandhinibsn]

Description: Added a new feature "Without Postprocessing" to disable/enable post processing on the data

Checklist:

You should check all boxes before the PR is ready. If a box does not apply, check it to acknowledge
it.

• PRE-COMMIT. You ran pre-commit on all commits, or else, you
  ran pre-commit run --all-files at the end.
• FRONTEND TYPES. Regenerate the front-ent types if you played with types and routes.
  Run cd webapp && yarn types while the back-end is running.
• USER CHANGES. The changes are added to CHANGELOG.md and the documentation, if they impact
  our users.
• DEV CHANGES.
  • Update the documentation if this PR changes how to develop/launch on the app.
  • Update the README files and our wiki for any big design decisions, if relevant.
  • Add unit tests, docstrings, typing and comments for complex sections.

[nandhinibsn]

differences on enable/disable of Postprocessing in confidence histogram, metrics, topwords.
Disabled postprocessing:

Enabled postprocessing:

differences on enable/disable of Postprocessing in confusion matrix

Disabled postprocessing:

Enabled postprocessing:

differences on enable/disable of Postprocessing in utterance table
Disabled postprocessing:

Enabled postprocessing:

[JosephMarinier]

You would need to Edit the PR to request against dev, and not main.

[JosephMarinier]

🚢 🇮🇹