XWIKI-20007: When sharing a page from a subwiki, global users with restricted access get suggested

- Resolve user page reference relatively to the wiki reference it
  belongs to, when controlling access

xwiki-platform-core/xwiki-platform-web/xwiki-platform-web-templates/src/main/resources/templates/uorgsuggest.vm

@@ -48,7 +48,7 @@
     #if($results.size() >= 10)
       #break
     #end
-    #if ($services.security.authorization.hasAccess('view', $rawResult))
+    #if ($services.security.authorization.hasAccess('view', $services.model.resolveDocument($rawResult, $wikiReference)))
       #set ($discard = $results.add($rawResult))
     #end
   #end