Fix/mixed-rascal-versions

[PaulKlint]

Closes #2455

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 47%. Comparing base (270dc20) to head (fbba578).
⚠️ Report is 115 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##              main   #2494    +/-   ##
========================================
- Coverage       47%     47%    -1%     
- Complexity    6698    6708    +10     
========================================
  Files          788     791     +3     
  Lines        65024   65168   +144     
  Branches      9738    9758    +20     
========================================
+ Hits         30909   30929    +20     
- Misses       31702   31825   +123     
- Partials      2413    2414     +1     

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