IDML: Path geometry property is required (not optional) and fails for valid IDML files

Created by: OLD DO NOT USE

The path geometry property is recommended but not required. By making it required we have seen several cases of failed imports. I am working to get a test file.

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java.lang.IllegalStateException: Path geometry property does not exist
	at net.sf.okapi.filters.idml.PasteboardItem.fromTextualSpreadItemAndParentTransformations(PasteboardItem.java:46) ~[okapi-filter-idml-0.38.jar:na]
	at net.sf.okapi.filters.idml.OrderingIdioms.getOrderedPasteboardItems(OrderingIdioms.java:72) ~[okapi-filter-idml-0.38.jar:na]
	at net.sf.okapi.filters.idml.OrderingIdioms.getOrderedPasteboardItems(OrderingIdioms.java:46) ~[okapi-filter-idml-0.38.jar:na]
	at net.sf.okapi.filters.idml.Document.open(Document.java:106) ~[okapi-filter-idml-0.38.jar:na]
	at net.sf.okapi.filters.idml.IDMLFilter.openDocument(IDMLFilter.java:279) ~[okapi-filter-idml-0.38.jar:na]
	at net.sf.okapi.filters.idml.IDMLFilter.next(IDMLFilter.java:205) ~[okapi-filter-idml-0.38.jar:na]

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