Replaced deprecated `StringUtils` methods with suggested ones from `Strings.CS` #2721

Line Coverage: 75.00% (+48.08%), Branch Coverage: 0.00% (-22.22%)

Overall project (difference to reference job)
* Line Coverage: 50.79% (1439/2833) - Delta: ±0%
* Branch Coverage: 44.80% (474/1058) - Delta: ±0%
* Lines of Code: 2833 - Delta: ±0
* Cyclomatic Complexity: 1257 - Delta: ±0
Modified files (difference to reference job)
* Line Coverage: 26.92% (28/104) - Delta: ±0%
* Branch Coverage: 22.22% (8/36) - Delta: ±0%
* Lines of Code: 104
* Cyclomatic Complexity: 51
Modified code lines (difference to modified files)
* Line Coverage: 75.00% (3/4) - Delta: +48.08%
* Branch Coverage: 0.00% (0/2) - Delta: -22.22%
* Lines of Code: 4

No active quality gates.

	Module Coverage	Package Coverage	File Coverage	Class Coverage	Method Coverage	Line Coverage	Branch Coverage	Instruction Coverage
🐾 Overall project	100.00% (2/2)	100.00% (13/13)	89.87% (71/79)	89.00% (89/100)	58.29% (422/724)	50.79% (1439/2833)	44.80% (474/1058)	49.73% (5978/12021)
📈 Overall project (difference to reference job)	±0%	±0%	±0%	±0%	±0%	±0%	±0%	+0.01% ⬆️
🐾 Modified files	100.00% (1/1)	100.00% (2/2)	100.00% (2/2)	66.67% (2/3)	33.33% (11/33)	26.92% (28/104)	22.22% (8/36)	28.03% (118/421)
📈 Modified files (difference to reference job)	N/A	N/A	N/A	N/A	N/A	±0%	±0%	N/A
🐾 Modified code lines	100.00% (1/1)	50.00% (1/2)	50.00% (1/2)	N/A	N/A	75.00% (3/4)	0.00% (0/2)	N/A
📈 Modified code lines (difference to modified files)	N/A	N/A	N/A	N/A	N/A	+48.08% ⬆️	-22.22% ⬇️	N/A