Adjust Lightning payload for Langfuse monitoring

[hanna-paasivirta]

Description

This PR [adds/changes/fixes]... (A description of your work goes here.)

Closes #4595

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.94%. Comparing base (08ba6e1) to head (1955b84).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4739      +/-   ##
==========================================
- Coverage   89.96%   89.94%   -0.03%     
==========================================
  Files         444      444              
  Lines       21979    21994      +15     
==========================================
+ Hits        19773    19782       +9     
- Misses       2206     2212       +6     

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