Bug 1735256: Make sure pagination offset is reset on new search

In the elasticsearch results page when using the search box on that page

behatnotneeded

Change-Id: I1b6fa028c5456623dd656b99b0263ed9a28748dd
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>
(cherry picked from commit 71d1c2df)

htdocs/search/elasticsearch/index.php

@@ -149,7 +149,8 @@ jQuery(function ($) {
             var tagsonly = false;
         }
 
-        var params = {'query': $('#search_query').val(), 'tagsonly': tagsonly, 'mainfacetterm': null,'limit': $('#setlimitselect').val(), 'extradata':JSON.stringify({'page':'index'})};
+        var params = {'query': $('#search_query').val(), 'tagsonly': tagsonly, 'mainfacetterm': null,
+                      'offset': 0, 'limit': $('#setlimitselect').val(), 'extradata':JSON.stringify({'page':'index'})};
         p.sendQuery(params);
         event.preventDefault();
     });