Fix: Some lost code after submission refactoring PR and fix a bug the context language been empty

[syphax-bouazzouni]

Changes

• fix: serialization of properties using lambda as a property attribute #202 and add context parents generation tests (c83b0d5)
  

• fix context language to not be empty array if submission language values are not URIs but just two letter strings (066c6c5)
  

• Re-apply some remove code of the submission refactor

• Complete metadata extraction test to close Missing unit test for IRI extraction #200 (ffc648f)

• Do not send email notification when submissions are archived by @alexskr (b208745) and added a unit test for it (3b9d3f1) to close Notifications sends separate emails for archived status with vague content #190

• include changes of Reapply previous pull requests and commits that were undone by PR #143 #203

[codecov]

Codecov Report

Attention: Patch coverage is 94.11765% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 78.90%. Comparing base (0227d37) to head (f14a7eb).

Files	Patch %	Lines
lib/ontologies_linked_data/serializers/json.rb	94.44%	1 Missing ⚠️
...ervices/submission_process/submission_processor.rb	50.00%	1 Missing ⚠️

Additional details and impacted files

@@                                           Coverage Diff                                           @@
##           feature/multilingual-support-add-search-and-languages-serialization     #204      +/-   ##
=======================================================================================================
+ Coverage                                                                78.10%   78.90%   +0.79%     
=======================================================================================================
  Files                                                                       74       74              
  Lines                                                                     5372     5385      +13     
=======================================================================================================
+ Hits                                                                      4196     4249      +53     
+ Misses                                                                    1176     1136      -40     

Flag	Coverage Δ
unittests	78.90% <94.11%> (+0.79%)	⬆️

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