Extracted menu window auto resize (enlarge)

```
0) Open some file (olive.csv).
1) display a barchar
2) extract the "interaction" window (by pressing the upper dotted line)
3) display a scatter plot.
4) The extracted "interaction" window will not resize (get larger)

```

Original issue reported on code.google.com by `tal.gal...@gmail.com` on 12 Feb 2011 at 1:24
