fix(select): refresh optionNodes reference

Fixes #2109.

Author: ThomasBurleson

src/components/select/select.js

@@ -820,8 +820,11 @@ function SelectProvider($$interimElementProvider) {
 
 
         function focusOption(direction) {
+          optionNodes = opts.selectEl[0].getElementsByTagName('md-option');
+
           var optionsArray = $mdUtil.nodesToArray(optionNodes);
           var index = optionsArray.indexOf(opts.focusedNode);
+
           if (index === -1) {
             // We lost the previously focused element, reset to first option
             index = 0;
@@ -860,11 +863,12 @@ function SelectProvider($$interimElementProvider) {
     }
 
     function onRemove(scope, element, opts) {
-      opts.isRemoved = true;
-      element.addClass('md-leave')
+      element
+        .addClass('md-leave')
         .removeClass('md-clickable');
-      opts.target.attr('aria-expanded', 'false');
 
+      opts.target.attr('aria-expanded', 'false');
+      opts.isRemoved = true;
 
       angular.element($window).off('resize', opts.resizeFn);
       angular.element($window).off('orientationchange', opts.resizefn);