[LMS-1457] fixed searchlink URL (use history token as delimiter)

SVN: 15546

openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/basic/SearchlinkUtilities.java

@@ -34,6 +34,7 @@ public class SearchlinkUtilities
             final EntityKind entityKind, final String searchString)
     {
         URLMethodWithParameters ulrWithParameters = new URLMethodWithParameters(baseIndexURL);
+        ulrWithParameters.startHistoryToken();
         ulrWithParameters.addParameter(ViewLocator.ACTION_PARAMETER,
                 SearchLocatorResolver.SEARCH_ACTION);
         ulrWithParameters.addParameter(ViewLocator.ENTITY_PARAMETER, entityKind.name());