Improve field component docs

[sandorkertesz]

Description

Contributor Declaration

By opening this pull request, I affirm the following:

• All authors agree to the Contributor License Agreement.
• The code follows the project's coding standards.
• I have performed self-review and added comments where needed.
• I have added or updated tests to verify that my changes are effective and functional.
• I have run all existing tests and confirmed they pass.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.44%. Comparing base (0ada89b) to head (39749de).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1033   +/-   ##
========================================
  Coverage    82.44%   82.44%           
========================================
  Files          237      237           
  Lines        16698    16698           
  Branches       808      808           
========================================
  Hits         13767    13767           
  Misses        2694     2694           
  Partials       237      237           

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