[core] fix: allow empty comment lines in queries

[AndreyMarkinPPC]

No description provided.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 60.12%. Comparing base (cbba053) to head (146bf0f).
⚠️ Report is 3 commits behind head on main.

❗ There is a different number of reports uploaded between BASE (cbba053) and HEAD (146bf0f). Click for more details.

HEAD has 6 uploads less than BASE

Flag	BASE (cbba053)	HEAD (146bf0f)
	7	1

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #136       +/-   ##
===========================================
- Coverage   88.21%   60.12%   -28.09%     
===========================================
  Files          57       39       -18     
  Lines        2681     1610     -1071     
===========================================
- Hits         2365      968     -1397     
- Misses        316      642      +326     

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