Use FieldAttributeConverterInterface instead of concrete class for constructor injection

[berramou]

Fixes #1198

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[codecov[bot]]

Codecov Report

:x: Patch coverage is 0% with 5 lines in your changes missing coverage. Please review. :white_check_mark: Project coverage is 43.54%. Comparing base (4eb37ee) to head (a21d7b8). :warning: Report is 1 commits behind head on 4.x.

Files with missing lines	Patch %	Lines
src/Form/DeveloperAttributesSettingsForm.php	0.00%	5 Missing :warning:

Additional details and impacted files

@@            Coverage Diff            @@
##                4.x    #1199   +/-   ##
=========================================
  Coverage     43.54%   43.54%           
  Complexity     3074     3074           
=========================================
  Files           343      343           
  Lines         11253    11253           
=========================================
  Hits           4900     4900           
  Misses         6353     6353           

Files with missing lines	Coverage Δ
src/Form/DeveloperAttributesSettingsForm.php	0.00% <0.00%> (ø)

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