[confmap] Use stringy representation on stringy types

[mx-psi]

Description

Use string value for stringy types

Link to tracking issue

Fixes #10937

Testing

Adds tests for stringy type recognition and adds end to end tests

[codecov]

Codecov Report

Attention: Patch coverage is 89.47368% with 2 lines in your changes missing coverage. Please review.

Project coverage is 91.88%. Comparing base (b10029c) to head (c9684e1).
Report is 1 commits behind head on main.

Files	Patch %	Lines
confmap/confmap.go	89.47%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10938      +/-   ##
==========================================
- Coverage   91.89%   91.88%   -0.01%     
==========================================
  Files         411      411              
  Lines       19311    19327      +16     
==========================================
+ Hits        17745    17759      +14     
- Misses       1217     1218       +1     
- Partials      349      350       +1     

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[dmitryax]

Thank you, @mx-psi. Just on question