mdl-menu animation leave the text ouside.

The first time that you open the mdl-menu you can see (So fast, but I can see it clear) like the text is overflowing the container and how the white container grow to wrap it, seconds times is doing it properly.

If you refresh the page and click to open again, you can repeat the bug.

Using:

```

more_vert

• Some Action


• Another Action


• Disabled Action


• Yet Another Action