feat(ngAria[ngClick]): preventDefault on pressing Space so the page d…

…oesn't scroll

src/ngAria/aria.js

@@ -377,6 +377,7 @@ ngAriaModule.directive('ngShow', ['$aria', function($aria) {
             elem.on('keypress', function(event) {
               var keyCode = event.which || event.keyCode;
               if (keyCode === 32 || keyCode === 13) {
+                event.preventDefault();
                 scope.$apply(callback);
               }