fix: datetime fields returned without time part when time is 00:00:00

[w666]

Fixes #1040.

[w666]

@sidorares this is pretty much the same as #1147.
I am not familiar with poku, but it was very easy to update existing test, hopefully this is enough.

[w666]

Sorry for the failed build, transferred that patch from work machine to submit from my personal one and it did not work as expected, fixing now.

[codecov]

Codecov Report

Attention: Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.

Project coverage is 88.13%. Comparing base (30a278b) to head (df91ce0).
Report is 6 commits behind head on master.

Files with missing lines	Patch %	Lines
lib/parsers/binary_parser.js	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3204      +/-   ##
==========================================
+ Coverage   87.33%   88.13%   +0.79%     
==========================================
  Files          71       71              
  Lines       12890    12892       +2     
  Branches     1324     1357      +33     
==========================================
+ Hits        11258    11362     +104     
+ Misses       1632     1530     -102     

Flag	Coverage Δ
compression-0	88.13% <88.88%> (+0.79%)	⬆️
compression-1	88.13% <88.88%> (?)
tls-0	87.55% <88.88%> (?)
tls-1	87.89% <88.88%> (+0.55%)	⬆️

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