Naming from quick switch doesn't save tabs

[robrussell]

Repro steps:

1. Open the quick switch window
2. Click on "(unnamed window)" text box after the "Active window" label
3. Type in a name
4. Hit escape to dismiss
5. Close the window
6. Re-open the quick switch window
7. Pick the recently named space
8. Nothing happens

The name of the new space is there but it doesn't have the tabs saved.