Add missing logging parameter

[AlekSi]

Description

Fixes %!v(MISSING) in logs.

Readiness checklist

• I added/updated unit tests (and they pass).
• I added/updated integration/compatibility tests (and they pass).
• I added/updated comments and checked rendering.
• I made spot refactorings.
• I updated user documentation.
• I ran task all, and it passed.
• I ensured that PR title is good enough for the changelog.
• (for maintainers only) I set Reviewers (@FerretDB/core), Milestone (Next), Labels, Project and project's Sprint fields.
• I marked all done items in this checklist.

[codecov]

Codecov Report

Merging #3847 (b967c01) into main (c020139) will decrease coverage by 0.11%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3847      +/-   ##
==========================================
- Coverage   76.32%   76.21%   -0.11%     
==========================================
  Files         317      317              
  Lines       23729    23729              
==========================================
- Hits        18111    18085      -26     
- Misses       4572     4594      +22     
- Partials     1046     1050       +4     

Files	Coverage Δ
internal/handler/msg_find.go	77.24% <100.00%> (ø)

... and 6 files with indirect coverage changes

Flag	Coverage Δ
filter-true	72.35% <100.00%> (-0.12%)	⬇️
hana-1	?
integration	72.35% <100.00%> (-0.12%)	⬇️
mongodb-1	5.34% <0.00%> (-0.02%)	⬇️
postgresql-1	51.25% <100.00%> (ø)
postgresql-2	53.56% <100.00%> (ø)
postgresql-3	51.32% <100.00%> (ø)
sqlite-1	?
sqlite-2	52.62% <100.00%> (ø)
sqlite-3	50.57% <100.00%> (-0.03%)	⬇️
unit	30.68% <0.00%> (ø)

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[rumyantseva]