Search button behavior broken in extended search (#405)

search/extended.jsp

@@ -25,7 +25,7 @@
 		
 		<div class="col-12 col-xl-2">
 		 	<div class="float-right">
-				<button onClick="search.search();" class="btn btn-primary"><i class="fas fa-search"></i></button>
+				<button onClick="search.queryHandler.search();" class="btn btn-primary"><i class="fas fa-search"></i></button>
 			</div>
 		</div>