♻️ [maykinmedia/open-api-framework#175] Improve handled_exception

[danielmursa-dev]

Fixes maykinmedia/open-api-framework#175

• Added structlog event for API HTTP_400_BAD_REQUEST exceptions
• Fixed error for generic error / exceptions message instead 500 page error

[codecov-commenter]

Codecov Report

❌ Patch coverage is 78.57143% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.33%. Comparing base (7a50add) to head (1747ec6).
⚠️ Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
src/objects/utils/views.py	78.57%	1 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #682      +/-   ##
==========================================
- Coverage   82.37%   82.33%   -0.04%     
==========================================
  Files         130      130              
  Lines        2451     2463      +12     
  Branches      198      200       +2     
==========================================
+ Hits         2019     2028       +9     
- Misses        391      392       +1     
- Partials       41       43       +2     

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[stevenbal]

Minor thing remaining, other than that good to merge