Added support of AttributesProperty to ApiProduct

[kedarkhaire]

Fixes #357

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.61%. Comparing base (f80f26d) to head (d1e94df).

Additional details and impacted files

@@             Coverage Diff              @@
##                3.x     #371      +/-   ##
============================================
+ Coverage     87.54%   87.61%   +0.06%     
  Complexity     1754     1754              
============================================
  Files           349      349              
  Lines          4601     4601              
============================================
+ Hits           4028     4031       +3     
+ Misses          573      570       -3     

Flag	Coverage Δ
unittests	87.61% <100.00%> (+0.06%)	⬆️

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Files	Coverage Δ
...c/Entity/Property/AttributesPropertyAwareTrait.php	66.66% <100.00%> (ø)

... and 1 file with indirect coverage changes

[shishir-intelli]

LGTM