gh-599 Fix incorrect use of DocumentServiceWriteAction
gh-599 Fix incorrect use of DocumentServiceWriteAction

DocumentServiceWriteAction was being used in the wrong places where
EntityServiceSaveAction should have been used instead to save entities
that aren't document entities.

gchq/stroom,gchq/stroom,gchq/stroom,gchq/stroom,gchq/stroom,gchq/stroom