added EForms SDK fields import confirmation

[kaleanych]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 46.87500% with 17 lines in your changes missing coverage. Please review.

Project coverage is 87.22%. Comparing base (fa5db29) to head (9ba8fdd).
Report is 29 commits behind head on develop.

Files with missing lines	Patch %	Lines
...fields_registry/services/import_fields_registry.py	36.84%	12 Missing ⚠️
.../backend/fields_registry/entrypoints/api/routes.py	37.50%	5 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #396      +/-   ##
===========================================
- Coverage    87.39%   87.22%   -0.17%     
===========================================
  Files          205      205              
  Lines         8601     8667      +66     
===========================================
+ Hits          7517     7560      +43     
- Misses        1084     1107      +23     

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