Replace old backend with new backend

Change-Id: I62640f31a05f9d90718950808662b8124155ef58
diff --git a/templates/query.html.ep b/templates/query.html.ep
index b3e52fd..fa9980c 100644
--- a/templates/query.html.ep
+++ b/templates/query.html.ep
@@ -1,8 +1,8 @@
 % use Mojo::JSON 'encode_json';
 
-% if (search->api_response) {
+% if (stash('api_response')) {
 %=  javascript begin
-%   my $kq_hash = search->api_response;
+%   my $kq_hash = stash('api_response');
 %   $kq_hash->{matches} = ["..."];
   KorAP.koralQuery = <%= b(encode_json($kq_hash))->decode %>;
 %   end