fix: fix optional field filter in apply

[Natoandro]

• Fix the optional field filter on apply: resolve types before matching.

Migration notes

No migrations needed.

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• The change comes with new or modified tests
• Hard-to-understand functions have explanatory comments
• End-user documentation is updated to reflect the change

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.47%. Comparing base (2d177ec) to head (2db3df3).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #909   +/-   ##
=======================================
  Coverage   77.47%   77.47%           
=======================================
  Files         149      149           
  Lines       18333    18333           
  Branches     1786     1787    +1     
=======================================
  Hits        14203    14203           
  Misses       4107     4107           
  Partials       23       23           

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