Old position isn't required anymore.

Reduce the spacing between the cells
Add two new markers to split a video directly from the preview.

Do not show the finish page used for the open in the project creation
path.

Refactored confirmation when closing the app.

The code is pretty ugly, though it works. I think some refactoring will
be required sooner or later

Shortcut creation must be updated to use the newly created
KeyboardShortcutHelper, else, it won't receive updated values.

So we can watch for configuration changes without polling the
configmanager.

Edition is possible, but has absolutely no effect.

Thanks to Sebastien Rannou who reported the issue.

Use the field() method of QWizard.