FIX typo in collections metadata

NB - This will also require a sweep of the collections in phylesystem,
to correct the stored property name and clear up any collections that
have both `ot:studyPublicationReferenc` and `ot:studyPublicationReference`
properties.

curator/static/js/curation-helpers.js

@@ -1393,7 +1393,7 @@ function updateCollectionTrees ( collection ) {
                                     decision['name'] = proposedName;
                                     decision['ot:focalCladeOTTTaxonName'] = proposedClade;
                                     decision['ot:studyPublication'] = proposedPubURL;
-                                    decision['ot:studyPublicationReferenc'] = proposedFullRef;
+                                    decision['ot:studyPublicationReference'] = proposedFullRef;
                                     decision['compactRefText'] = compactStudyRef;
                                     decision['ot:studyYear'] = proposedYear;
                                     // Highlight this in the list, mark as MODIFIED