fix: Implementation-independent MCM check

[speller26]

Issue #, if available:

Description of changes:

Properly makes expression MCM dependence determination implementation-independent by moving it from the concrete context class to a new abstract method called by the interpreter.

Testing done:

Verifies correct behavior with new tests backed by a context implementing dynamic circuit translation.

Merge Checklist

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General

• I have read the CONTRIBUTING doc
• I used the commit message format described in CONTRIBUTING
• I have updated any necessary documentation, including READMEs and API docs (if appropriate)

Tests

• I have added tests that prove my fix is effective or that my feature works (if appropriate)
• I have checked that my tests are not configured for a specific region or account (if appropriate)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (3efd89c) to head (9700434).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #367   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           49        49           
  Lines         4894      4884   -10     
  Branches       565       561    -4     
=========================================
- Hits          4894      4884   -10     

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[speller26]

This is the only functional change in this file