Avoid boost::optional::has_value()

[rustam-gamidov-here]

There are checks on old boost versions without this method

Relates-To: MINOR

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.33%. Comparing base (54203ce) to head (6c459de).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1622      +/-   ##
==========================================
+ Coverage   80.30%   80.33%   +0.02%     
==========================================
  Files         348      348              
  Lines       13932    13934       +2     
  Branches     1489     1490       +1     
==========================================
+ Hits        11188    11193       +5     
+ Misses       2146     2144       -2     
+ Partials      598      597       -1     

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