fix: Update configuration to store whenever an attribute is set

[filimarc]

Describe the work done

Configuration object method _config_attr_order is updated when an attribute is set using flag_dirty.

List which issues this resolves:

closes #899

Tasks

• Added tests
• Code

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.12%. Comparing base (ab77c6f) to head (3c72b0f).
Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #900      +/-   ##
==========================================
+ Coverage   89.09%   89.12%   +0.03%     
==========================================
  Files         110      110              
  Lines       15164    15208      +44     
==========================================
+ Hits        13510    13554      +44     
  Misses       1654     1654              

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[Helveg]

Can you add tests? Can you also see what the impact is with adding and removing elements from a config list? (I think that should be OK though°

[drodarie]

LGTM