REFACTOR: migrate convert to circuit extension

[eblanco-ansys]

Description

Migrated convert to circuit extension to new format

Issue linked

#6528

Checklist

• I have tested my changes locally.
• I have added necessary documentation or updated existing documentation.
• I have followed the coding style guidelines of this project.
• I have added appropriate tests (unit, integration, system).
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved by the PR if any.
• I have agreed with the Contributor License Agreement (CLA).

[codecov]

Codecov Report

❌ Patch coverage is 88.00000% with 15 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.20%. Comparing base (02d77e8) to head (7cfe461).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6619      +/-   ##
==========================================
+ Coverage   80.23%   82.20%   +1.97%     
==========================================
  Files         243      243              
  Lines       76558    76605      +47     
==========================================
+ Hits        61425    62974    +1549     
+ Misses      15133    13631    -1502     

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.