fix(select): fix cycle option focus after keyboard search

After keyboard search option focus cycling would start from previously focused element

src/components/select/select.js

@@ -877,6 +877,7 @@ function SelectProvider($$interimElementProvider) {
             default:
               if (ev.keyCode >= 31 && ev.keyCode <= 90) {
                 var optNode = opts.selectEl.controller('mdSelectMenu').optNodeForKeyboardSearch(ev);
+                opts.focusedNode = optNode || opts.focusedNode;
                 optNode && optNode.focus();
               }
           }