Fix Autofix for FinalAttributeChecker #571

Job	Run time
Run all tests (dmd-latest, dmd, ubuntu-22.04, make)	2m 28s
Run all tests (dmd-latest, dmd, ubuntu-22.04, dub, current)	1m 40s
Run all tests (dmd-latest, dmd, ubuntu-22.04, dub, min libdparse)	1m 31s
Run all tests (dmd-latest, dmd, windows-latest, make)	2m 7s
Run all tests (dmd-latest, dmd, windows-latest, dub, current)	2m 25s
Run all tests (dmd-latest, dmd, windows-latest, dub, min libdparse)	2m 31s
Run all tests (ldc-latest, ldmd2, ubuntu-22.04, make)	3m 22s
Run all tests (ldc-latest, ldmd2, ubuntu-22.04, dub, current)	1m 52s
Run all tests (ldc-latest, ldmd2, ubuntu-22.04, dub, min libdparse)	2m 2s
Run all tests (ldc-latest, ldmd2, macos-latest, make)	4m 18s
Run all tests (ldc-latest, ldmd2, macos-latest, dub, current)	1m 49s
Run all tests (ldc-latest, ldmd2, macos-latest, dub, min libdparse)	1m 47s
Run all tests (ldc-latest, ldmd2, windows-latest, make)	5m 42s
Run all tests (ldc-latest, ldmd2, windows-latest, dub, current)	3m 25s
Run all tests (ldc-latest, ldmd2, windows-latest, dub, min libdparse)	3m 35s
Run all tests (dmd-latest, gdc-12, ubuntu-22.04, make)	6m 48s
Run all tests (dmd, macos-13, dub, current)	2m 49s
	50m 11s

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