When links are convert to ajax calls, mailto links should not be included

[ddb4github]

'mailto' hyperlink is not workable

Prefer diff like:

--- cacti/include/layout.js     2019-05-29 12:22:08.000000000 +0800
+++ cacti/include/layout.js     2019-06-02 22:03:12.044034998 +0800
@@ -1975,7 +1975,7 @@
 function ajaxAnchors() {
        var page = basename(location.pathname);

-       $('a.pic, a.linkOverDark, a.linkEditMain, a.console, a.hyperLink, a.tab').not('[href^="http"], [href^="https"], [href^="#"], [target="_blank"]').off('click').on('click', function(event) {
+       $('a.pic, a.linkOverDark, a.linkEditMain, a.console, a.hyperLink, a.tab').not('[href^="http"], [href^="https"], [href^="mailto"], [href^="#"], [target="_blank"]').off('click').on('click', function(event) {
                event.preventDefault();
                event.stopPropagation();