Development: Update DTO migration coverage

[LeZhen1105]

Checklist

General

• I tested all changes and their related features with all corresponding user types on a test server.
• Language: I followed the guidelines for inclusive, diversity-sensitive, and appreciative language.
• I chose a title conforming to the naming conventions for pull requests.

Code Review

• Code Review 1
• Code Review 2

Manual Tests

• Test 1
• Test 2

Performance Tests

• Test 1
• Test 2

[github-actions]

End-to-End (E2E) Test Results Summary

	Tests	Passed ✅	Skipped	Failed	Time ⏱
End-to-End (E2E) Test Report	1 ran	1 passed	0 skipped	0 failed	1s 584ms

Test	Result	Time ⏱
No test annotations available