Make compatible with sound spec
Important: This change is meant for KF6/Plasma 6 only, so wait until it's safe to merge.
The sounds were replaced with more semantically accurate sounds, like camera-shutter for capturing a frame, dialog-information for indicating it's ready to capture, and dialog-error for errors.
Make it compatible with the sound naming spec. See https://invent.kde.org/raploz/blue-ocean-sound-theme/-/issues/6
https://specifications.freedesktop.org/sound-naming-spec/sound-naming-spec-latest.html