fix(indexer): Add pnp loader for ESM dependencies

[nellh]

Fix missing import for ESM dependencies for search indexing.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 49.06%. Comparing base (5073408) to head (dac2845).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4062   +/-   ##
=======================================
  Coverage   49.06%   49.06%           
=======================================
  Files         686      686           
  Lines       38137    38137           
  Branches     1909     1909           
=======================================
  Hits        18711    18711           
  Misses      19256    19256           
  Partials      170      170           

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[codecov]

Bundle Report

Bundle size has no change ✅