Fixes #1195 Set backdrop to static on modal window

layouts/v7/resources/helper.js

@@ -453,6 +453,7 @@ jQuery.Class("Vtiger_Helper_Js",{
aDeferred.resolve();
})
$('.myModal').modal('hide');
+                $('.myModal').data('bs.modal',null); // clear any options previously set
return aDeferred.promise();
},