NIHVIVO-2734 Don't show property group menu if there are no property group menu items

webapp/web/templates/freemarker/body/partials/individual/individual-propertyGroupMenu.ftl

@@ -8,6 +8,7 @@
     <#assign groups = propertyGroups.all>
     
     <#if groups?has_content>
+        <#if (groups?size > 1) || (groups?first).getName(nameForOtherGroup)?has_content> 
             <nav id="property-group-menu" role="navigation">
                 <ul role="list">
                     <#list groups as group>
@@ -21,4 +22,5 @@
                 </ul>
             </nav>
         </#if> 
+    </#if>
 </#if>