Merge pull request DSpace#9346 from tuub/DS-9345

[DS-9345] Correct the package name of the IIIF search plugin

dspace/config/modules/iiif.cfg

@@ -15,7 +15,7 @@ iiif.image.server = http://localhost:8182/iiif/2/
 # The search plugin used to support (experimental) IIIF Search.
 # This is the class used with https://dbmdz.github.io/solr-ocrhighlighting/
 # It is currently the only supported option.
-# iiif.search.plugin = org.dspace.app.rest.iiif.service.WordHighlightSolrSearch
+# iiif.search.plugin = org.dspace.app.iiif.service.WordHighlightSolrSearch
 
 # Sets the viewing hint. Possible values: "paged" or "individuals".
 # Typically "paged" is preferred for multi-age documents. Use "individuals"