add cdr ticket scan count

[Luhmos]

Description

Summary

This pr adds the scan count for every ticket generator in the endpoint giving all products for a given seller id (used on the purchases module in titan). It also adds utils for model to schema conversion.
...

Issues/PR dependencies

Issues to be resolved

Required PRs

Changes Made

• ...
• ...

Additional Notes

Classification

Type of Change

• 🐛 Bug fix (non-breaking change which fixes an issue)
• ✨ New feature (non-breaking change which adds functionality)
• 🔨 Refactor (non-breaking change that neither fixes a bug nor adds a feature)
• 🔧 Infra CI/CD (changes to configs of workflows)
• 💥 BREAKING CHANGE (fix or feature that require a new minimal version of the front-end)
• 😶‍🌫️ No impact for the end-users

Impact & Scope

• Core functionality changes
• Single module changes
• Multiple modules changes
• Database migrations required
• Other: ...

Testing

• 1. Tested this locally
• 2. Added/modified tests that pass the CI (or tested in a downstream fork)
• 3. Tested in a deployed pre-prod
• 0. Untestable (exceptionally), will be tested in prod directly
• 4. Did not test anything here either

Documentation

• Updated the docs accordingly :
• " Docstrings
• # Inline comments
• No documentation needed

[codecov]

Codecov Report

❌ Patch coverage is 95.83333% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 51.50%. Comparing base (606800c) to head (888cfc7).

Files with missing lines	Patch %	Lines
app/modules/cdr/utils_cdr.py	90.90%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1071       +/-   ##
===========================================
- Coverage   84.91%   51.50%   -33.42%     
===========================================
  Files         220      220               
  Lines       16358    16378       +20     
===========================================
- Hits        13891     8436     -5455     
- Misses       2467     7942     +5475     

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