Update constraints to be compatible with composite keys defined in the metadata

[frances-h]

Resolve datacebo/SDV-Enterprise#1735

[fealho]

The _remove_columns_from_metadata method in sdv.cag._utils doesn't support composite keys. Should that be addressed in this PR?

[sdv-team]

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[sdv-team]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.06%. Comparing base (b846086) to head (7f7fb7d).
⚠️ Report is 23 commits behind head on feature/metadata-composite-keys.

Additional details and impacted files

@@                         Coverage Diff                          @@
##           feature/metadata-composite-keys    #2828       +/-   ##
====================================================================
+ Coverage                            75.41%   98.06%   +22.64%     
====================================================================
  Files                                   73       73               
  Lines                                 8201     8266       +65     
====================================================================
+ Hits                                  6185     8106     +1921     
+ Misses                                2016      160     -1856     

Flag	Coverage Δ
integration	75.46% <72.22%> (+0.04%)	⬆️
unit	97.08% <100.00%> (?)

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[sdv-team]

This Pull Request is not linked to an issue. To ensure our community is able to accurately track resolved issues, please link any issue that will be closed by this PR!