LPS-51723 SF
LPS-51565 fetch primaryKeys from treePath string
LPS-51565 use primaryKeys from treePath to fetch the ancestor organizationIds
LPS-51565 apply getAncestorIds() method to userIndexer since the indexer is only concerned with the organizationIds and not with the organization model
LPS-51565 remove unused parameter
LPS-51565 add test for TreePathUtil.getPrimaryKeys()
LPS-51565 Increase performance
LPS-51565 Use the default set in portal.properties
LPS-51565 Source Formatting
LPS-51565 Source formatting
LPS-51565 Generated
LPS-51565 Simplify and if treePath is null, we should fall back to the "slower" way of getting the ancestor ids, not return null.
LPS-51565 Fields should be deleted in reverse order (opposite of creation order) to avoid parent/child dependency deletion restrictions.
LPS-51565 use new pattern, less consistent with old, but that's OK