refactor: use localName instead of tagName

[MarioCastigliano]

Preflight Checklist

• I have read the Contributing Guidelines for this project.
• I agree to follow the Code of Conduct that this project adheres to.
• I have searched the pull request tracker for a Pull Request (PR) that matches the one I want to submit, without success.

Issue

This PR Closes #2569

Pull request checklist

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)
• Docs have been reviewed and added / updated if needed (for bug fixes / features)

See Review Guidelines for more information what is checked during review process.

Changes

Changes in this pull request:

Browsers

I tested the build on the following browsers:

• Firefox Desktop
• Chrome Desktop
• Edge Desktop
• Safari Desktop
• Chrome Mobile
• Safari Mobile

Screen readers

I tested the build on the following browsers:

• JAWS Firefox Desktop
• JAWS Chrome Desktop
• NVDA Firefox Desktop
• NVDA Chrome Desktop
• VoiceOver Safari Desktop
• VoiceOver Chrome Desktop
• VoiceOver Safari Mobile
• Android Accessibility Suite Chrome Mobile

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

Does this introduce a breaking change?

• Yes
• No

Other information

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 95.65217% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 93.22%. Comparing base (e6397df) to head (566aade).
Report is 14 commits behind head on main.

Files	Patch %	Lines
src/components/autocomplete/autocomplete.ts	0.00%	1 Missing ⚠️
...ts/form-field/form-field-clear/form-field-clear.ts	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2612      +/-   ##
==========================================
+ Coverage   93.18%   93.22%   +0.03%     
==========================================
  Files         316      316              
  Lines       25389    25317      -72     
  Branches     2063     2064       +1     
==========================================
- Hits        23660    23602      -58     
+ Misses       1696     1682      -14     
  Partials       33       33              

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[kyubisation]

LGTM 👍
Nice work 😃

[jeripeierSBB]

LGTM, thanks!