TreeOps: skip 1st stat in case body in NL optimizn #5204

Job	Run time
test (11, windows-latest)	11m 0s
community-test (11, windows-latest, Scala2)	17m 5s
formatting	23s
test (11, ubuntu-latest)	8m 52s
native-image (macOS-12, default)	5m 4s
community-test (11, windows-latest, Scala3)	19m 46s
test (21, windows-latest)	10m 33s
native-image (ubuntu-latest, default)	3m 30s
community-test (11, windows-latest, Spark)	22m 11s
test (21, ubuntu-latest)	8m 14s
test-scala-native (windows-latest)	9m 59s
native-image (ubuntu-latest, musl)	3m 51s
community-test (11, windows-latest, Other)	5m 56s
test-scala-native (ubuntu-latest)	6m 56s
community-test (11, ubuntu-latest, Scala2)	15m 58s
community-test (11, ubuntu-latest, Scala3)	18m 43s
community-test (11, ubuntu-latest, Spark)	20m 32s
community-test (11, ubuntu-latest, Other)	5m 41s
dockerize	0s
	3h 14m 14s

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