ECC-2008: Action hierarchy: Use C++ inheritance mechanism

[joobog]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 86.40054% with 201 lines in your changes missing coverage. Please review.

Project coverage is 87.41%. Comparing base (0e88697) to head (7b916c9).
Report is 1 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/action/action_class_write.cc	74.64%	18 Missing ⚠️
src/action/action.h	16.66%	15 Missing ⚠️
src/action/action_class_if.cc	88.28%	15 Missing ⚠️
src/action/action_class_switch.cc	84.53%	15 Missing ⚠️
...rc/accessor/grib_accessor_class_bufr_data_array.cc	78.33%	13 Missing ⚠️
src/action/action_class_assert.cc	69.04%	13 Missing ⚠️
src/action/action_class_set_darray.cc	51.85%	13 Missing ⚠️
src/action/action_class_set_sarray.cc	51.85%	13 Missing ⚠️
src/action/action_class_list.cc	82.25%	11 Missing ⚠️
src/action/action_class_hash_array.cc	91.75%	8 Missing ⚠️
... and 19 more

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #283      +/-   ##
===========================================
- Coverage    87.44%   87.41%   -0.04%     
===========================================
  Files          833      835       +2     
  Lines        62037    61797     -240     
  Branches     11044    11015      -29     
===========================================
- Hits         54250    54018     -232     
+ Misses        7787     7779       -8     

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