Make findAndModify integration tests pass for SQLite

[noisersup]

Description

• findandmodify_compat_test.go

Closes #3131.

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), Labels, Project and project's Sprint fields.
• I marked all done items in this checklist.

[codecov]

Codecov Report

Merging #3173 (b93a4af) into main (f00c4d7) will decrease coverage by 28.08%.
The diff coverage is n/a.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #3173       +/-   ##
===========================================
- Coverage   75.53%   47.45%   -28.08%     
===========================================
  Files         396      396               
  Lines       22202    22202               
===========================================
- Hits        16771    10537     -6234     
- Misses       4452    10860     +6408     
+ Partials      979      805      -174     

see 126 files with indirect coverage changes

Flag	Coverage Δ
hana	?
integration	37.96% <ø> (-33.98%)	⬇️
mongodb	5.30% <ø> (ø)
pg	?
shard-1	29.20% <ø> (-26.36%)	⬇️
shard-2	31.94% <ø> (-23.00%)	⬇️
shard-3	31.62% <ø> (-25.16%)	⬇️
sqlite	37.72% <ø> (-0.42%)	⬇️
unit	24.65% <ø> (-0.03%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

[chilagrow]

🚀

[rumyantseva]