fix(NcTextField): helper text icon is too large

[ShGKme]

☑️ Resolves

• Regression from refactor: migrate Nc*Field to Typescript #6951
• Missing inline
• Not outline icons where used (the import on stable8 was confusing)
• We miss it quite often 🙈

🖼️ Screenshots

Stable8	Before	After

🏁 Checklist

• ⛑️ Tests are included or are not applicable
• 📘 Component documentation has been extended, updated or is not applicable
• 2️⃣ Backport to stable8 for maintained Vue 2 version or not applicable

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 51.78%. Comparing base (eac1b94) to head (2676e87).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/components/NcInputField/NcInputField.vue	66.66%	1 Missing ⚠️
src/components/NcTextArea/NcTextArea.vue	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7856      +/-   ##
==========================================
+ Coverage   51.75%   51.78%   +0.03%     
==========================================
  Files          98       98              
  Lines        3169     3171       +2     
  Branches      871      874       +3     
==========================================
+ Hits         1640     1642       +2     
  Misses       1279     1279              
  Partials      250      250              

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