Fix DynamicForm TagHelper

[realLiangshiwei]

Description

Resolves #18147

Checklist

• I fully tested it as developer / designer and created unit / integration tests
• I documented it (or no need to document or I will create a separate documentation issue)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (39240f1) 51.69% compared to head (7a64fb8) 51.69%.
Report is 15 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev   #18160   +/-   ##
=======================================
  Coverage   51.69%   51.69%           
=======================================
  Files        3068     3068           
  Lines       96113    96113           
  Branches     7656     7656           
=======================================
  Hits        49689    49689           
  Misses      44898    44898           
  Partials     1526     1526           

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