change webui.feed.item.dc.creator to dc.contributor.author

Author: alawvt

dspace/config/dspace.cfg

@@ -1476,7 +1476,7 @@ webui.feed.atom.dc.author.show = false
 # structured format for easy extraction by the recipient, instead of (or in
 # addition to) appending these values to the Description field.
 ## dc:creator value(s)
-webui.feed.item.dc.creator = dc.contributor.*
+webui.feed.item.dc.creator = dc.contributor.author
 ## dc:date value (may be contradicted by webui.feed.item.date)
 #webui.feed.item.dc.date = dc.date.issued
 ## dc:description (e.g. for a distinct field that is ONLY the abstract)