Fix DynamicViewList.Item memory leak

[Kyle-Ye]

Close #626

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 30.28%. Comparing base (74f1693) to head (911e022).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #627      +/-   ##
==========================================
- Coverage   30.30%   30.28%   -0.02%     
==========================================
  Files         550      550              
  Lines       32884    32884              
==========================================
- Hits         9965     9960       -5     
- Misses      22919    22924       +5     

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