Directive to allow 3rd party libraries to clone angular nodes.

mq-allow-external-clone.js

angular.module('my-module')
.directive('mqAllowExternalClone', function($compile) {
  return {
    link: link,
  };

  function link(scope, elem, attr) {
    var element = elem[0];
    var original = element.cloneNode;
    element.cloneNode = patch;

    function patch(deep) {
      var clone = original.call(element, deep);
      
      // You can remove this two lines and the result
      //   will be more or less the same.
      // In my case I need it for other reasons
      clone.removeAttribute('mq-allow-external-clone');
      clone.cloneNode = patch;

      $compile(clone)(scope);
      return clone;
    }
  }
});