fix(problem_report_message): fix problem report message entity

[plusema86]

implemented missing fields of the problem report message entity https://iden3-communication.io/report-problem/2.0/report-problem-message/

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 11 lines in your changes missing coverage. Please review.

Project coverage is 21.93%. Comparing base (7108bdf) to head (bf74369).
Report is 2 commits behind head on develop.

Files with missing lines	Patch %	Lines
...common/response/problem_report_message_entity.dart	0.00%	11 Missing ⚠️

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Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #472      +/-   ##
===========================================
- Coverage    21.96%   21.93%   -0.03%     
===========================================
  Files          257      257              
  Lines         8474     8484      +10     
===========================================
  Hits          1861     1861              
- Misses        6613     6623      +10     

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