Ctrl+PageUp/PageDown events always handled by treeview

Submitted by Andre Klapper @aklapper

Assigned to gtk..@..tk.org

Link to original bug (#656849)

Description

STEPS in 3.1.4:

1. Choose a file in Nautilus
2. Right-click and choose Properties
3. Use Ctrl+PageDown to go to "Open With" tab
4. Use Ctrl+PageUp

EXPECTED OUTCOME: Goes back to "Permissions" tab

ACTUAL OUTCOME: Focus is in the list of applications, cannot switch tab back

Version: 3.22.x