Fix bug in var length queries sorting

[anuchak]

No description provided.

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (4eebacf) 92.23% compared to head (7e53a34) 92.23%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1509   +/-   ##
=======================================
  Coverage   92.23%   92.23%           
=======================================
  Files         676      676           
  Lines       24314    24314           
=======================================
  Hits        22425    22425           
  Misses       1889     1889           

Impacted Files	Coverage Δ
.../processor/operator/recursive_extend/bfs_state.cpp	94.33% <100.00%> (ø)

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