refactor(transformer/class-properties): rename var #24668

Job	Run time
Build Linter Benchmark	2m 39s
Benchmark (lexer)	1m 19s
Benchmark (parser)	1m 44s
Benchmark (transformer)	2m 19s
Benchmark (isolated_declarations)	1m 55s
Benchmark (semantic)	1m 28s
Benchmark (minifier)	2m 5s
Benchmark (codegen)	2m 4s
Benchmark linter (0)	2m 57s
Benchmark linter (1)	1m 40s
Upload benchmarks	22s
	20m 32s

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