fix: Remove get_fields_info() and implement factory pattern for AppUt… #11151

Job	Run time
Code style	1m 25s
Documentation Style Check	14s
Run commit style checks	3s
Build and Smoke tests (ubuntu-latest, 3.10, false)	46s
Build and Smoke tests (ubuntu-latest, 3.11, false)	41s
Build and Smoke tests (ubuntu-latest, 3.12, false)	39s
Build and Smoke tests (ubuntu-latest, 3.13, false)	44s
Build and Smoke tests (windows-latest, 3.10, false)	2m 25s
Build and Smoke tests (windows-latest, 3.11, false)	1m 40s
Build and Smoke tests (windows-latest, 3.12, false)	2m 1s
Build and Smoke tests (windows-latest, 3.13, false)	3m 18s
Build Documentation	3m 4s
Build	25m 3s
Unit Testing (v22.2.0, 222)	7s
Unit Testing (v23.1.0, 231)	7s
Unit Testing (v23.2.0, 232)	6s
Unit Testing (v24.1.0, 241)	4s
Unit Testing (v24.2.0, 242)	6s
Unit Testing (v25.1.0, 251)	5s
Unit Testing (v25.2.0, 252)	8s
Release	1s
	42m 47s

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