StackOverflowError during Processing

[KaiSuchomel]

Hey,
with the attached openapi_prev_reduced.yam it is possible to force a StackOverflowError!!

Exception in thread "main" java.lang.StackOverflowError
	at java.base/java.util.Arrays.spliterator(Arrays.java:5296)
	at java.base/java.util.Arrays.stream(Arrays.java:5447)
	at java.base/java.util.Arrays.stream(Arrays.java:5428)
	at java.base/java.util.stream.Stream.of(Stream.java:1426)
	at org.openapitools.openapidiff.core.model.ChangedExtensions.getChangedElements(ChangedExtensions.java:27)
	at org.openapitools.openapidiff.core.model.ComposedChanged.isChanged(ComposedChanged.java:19)
	at org.openapitools.openapidiff.core.model.Changed.isUnchanged(Changed.java:21)
	at org.openapitools.openapidiff.core.utils.ChangedUtils.isUnchanged(ChangedUtils.java:11)
	at org.openapitools.openapidiff.core.utils.ChangedUtils.isChanged(ChangedUtils.java:19)
	at org.openapitools.openapidiff.core.compare.ExtensionsDiff.diff(ExtensionsDiff.java:78)
	at org.openapitools.openapidiff.core.compare.schemadiffresult.SchemaDiffResult.diff(SchemaDiff

openapi_prev_reduced.yaml.zip

Command used:

java -jar cli/target/openapi-diff-cli-2.1.0-SNAPSHOT-all.jar openapi_prev_reduced.yaml openapi_prev_reduced.yaml

[EfimenkoAndrew]

same issue. Please address it if possible