fix: incorrect variable resolving for class default initializer #4636

Job	Run time
Check	4s
Runtimes	33s
Coverage	3m 40s
Bootstrap (debug)	6m 25s
Compiler (ubuntu, node current)	3m 21s
Bootstrap (release)	8m 35s
Features	24s
Compiler (ubuntu, node lts/*)	2m 7s
Loader	20s
Compiler (macos, node current)	2m 17s
Compiler (macos, node lts/*)	2m 22s
Compiler (windows, node current)	2m 27s
Compiler (windows, node lts/*)	2m 41s
	35m 16s

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