Fix SolidusPromotion OrderRecalculator patch

[sofiabesenski4]

Summary

The method signature of the InMemoryOrderUpdater changed to include the persist flag. This would previously raise an ArgumentError after configuring the app to use the InMemoryOrderUpdater, and passing an explicit argument for persist.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.68%. Comparing base (a0746e6) to head (4feb6ec).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6480   +/-   ##
=======================================
  Coverage   89.68%   89.68%           
=======================================
  Files         991      992    +1     
  Lines       20832    20838    +6     
=======================================
+ Hits        18683    18689    +6     
  Misses       2149     2149           

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