refactor: use StringBuilder for remaning types in ToString #114

Job	Run time
Test .NET / build	2m 34s
Sync Unity Project / sync	8m 9s
Test Unity Project (2022.2.21f1) / Test Unity 2022.2.21f1	15m 30s
Test Unity Project (2022.3.22f1) / Test Unity 2022.3.22f1	9m 26s
Test Unity Project (2021.3.36f1) / Test Unity 2021.3.36f1	7m 28s
Test Unity Project (2022.1.24f1) / Test Unity 2022.1.24f1	11m 56s
Test Unity Project (2023.1.20f1) / Test Unity 2023.1.20f1	14m 0s
Test Unity Project (2023.2.16f1) / Test Unity 2023.2.16f1	15m 7s
Generate Coverage Report / Generate coverage report	49s
SonarScan / SonarScan	4m 32s
	1h 29m 31s

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