Fixed inaccurate count retrieved for large indexes when using search …

…query.

api/src/main/java/edu/cornell/mannlib/vitro/webapp/searchengine/elasticsearch/QueryConverter.java

@@ -142,6 +142,7 @@ private List<String> figureReturnFields() {
 
     private Map<String, Object> figureFullMap() {
         return tree() //
+                .put("track_total_hits", true)
                 .put("query", queryAndFilters) //
                 .put("from", ifPositive(query.getStart())) //
                 .put("highlight", highlighter)