CSPACE-6302: Make sure a term has a generated shortid if none is specified, before checking if a term with the shortid already exists.

Conflicts:
	cspi-webui/src/main/java/org/collectionspace/chain/csp/webui/authorities/AuthoritiesVocabulariesInitialize.java
Merge branch 'cspace-deployment_4.0' into pahma_4.0