Objects in 'Special characters and text symbols' window amiss

1. Open score.
2. Select note or rest.
3. Create text.
4. Enter something.
5. Click elsewhere to leave 'edit mode'.
6. Double-click the text.
7. Click 'Insert special characters and text symbols (F2)'.
8. Change the size of the window.

Result: The objects aren't centred and too small.

Using MuseScore 2.0 Nightly Build (5497) - Mac 10.7.3.