Remove usage of synchronous ajax requests (#12546)

* Do not use sync ajax requests

* adds deprecation comments

* convert some methods to be fully async

* adds minimum waittime after page load in ui tests

* improve wait times

1 files changed, 1 insertions, 1 deletions

diff --git a/plugins/DBStats/templates/index.twig b/plugins/DBStats/templates/index.twig
index a3f9e80897..fde84f2bfa 100755
--- a/plugins/DBStats/templates/index.twig
+++ b/plugins/DBStats/templates/index.twig
@@ -89,7 +89,7 @@
                     piwikHelper.compileAngularComponents(self);
                 });
                 ajaxRequest.setFormat('html');
-                ajaxRequest.send(false);
+                ajaxRequest.send();
             });
         });
     })(jQuery);