[KFilePlacesView] Don't append "(hidden)" to disappearing items
Avoids the briefly seeing the suffix when hiding an entire group while it fades out.
Before
hidegroupbefore-2022-03-29_19.05.06
After
Avoids the briefly seeing the suffix when hiding an entire group while it fades out.
Before
hidegroupbefore-2022-03-29_19.05.06
After