refactor(transformer/class-properties): `ResolvedPrivateProp` type #23145

Job	Run time
Benchmark (lexer)	1m 23s
Build Linter Benchmark	3m 4s
Benchmark (parser)	1m 34s
Benchmark (transformer)	2m 11s
Benchmark (isolated_declarations)	1m 49s
Benchmark (semantic)	1m 37s
Benchmark (minifier)	2m 8s
Benchmark (codegen)	1m 29s
Benchmark (sourcemap)	1m 53s
Benchmark linter (0)	2m 57s
Benchmark linter (1)	1m 33s
Upload benchmarks	22s
	22m 0s

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