FormatTokens: fix getLastExceptParen, incl comment #5687

Job	Run time
formatting	19s
community-test (11, windows-latest, Scala2)	15m 40s
test (11, windows-latest)	10m 50s
community-test (11, windows-latest, Scala3)	14m 45s
native-image (macOS-latest, default)	5m 58s
test (11, ubuntu-latest)	8m 28s
test-scala-native (windows-latest)	9m 32s
community-test (11, windows-latest, Spark)	26m 23s
native-image (ubuntu-latest, default)	4m 21s
test (21, windows-latest)	9m 50s
test-scala-native (ubuntu-latest)	6m 25s
community-test (11, windows-latest, Intellij)	18m 33s
native-image (ubuntu-latest, musl)	4m 43s
test (21, ubuntu-latest)	7m 18s
community-test (11, windows-latest, Other)	20m 51s
community-test (11, ubuntu-latest, Scala2)	12m 59s
community-test (11, ubuntu-latest, Scala3)	12m 30s
community-test (11, ubuntu-latest, Spark)	22m 11s
community-test (11, ubuntu-latest, Intellij)	15m 59s
community-test (11, ubuntu-latest, Other)	16m 42s
dockerize	0s
	4h 4m 17s

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