Fix incorrect generator kwargs with grid moveables

[sdhiscocks]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.56%. Comparing base (503a105) to head (19018cb).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1036      +/-   ##
==========================================
- Coverage   93.60%   93.56%   -0.04%     
==========================================
  Files         203      203              
  Lines       13126    13125       -1     
  Branches     2681     2681              
==========================================
- Hits        12286    12280       -6     
- Misses        592      594       +2     
- Partials      248      251       +3     

Flag	Coverage Δ
integration	65.86% <100.00%> (-0.02%)	⬇️
unittests	89.19% <100.00%> (-0.05%)	⬇️

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