D29407: ScreenshotEffect: Use Service Property to authorize screenshot without confirmation

meven added inline comments.

INLINE COMMENTS

> zzag wrote in screenshot.cpp:79
> This is not a proper d-bus interface name.

I am well-aware.

This is a key that application's desktop file must declare in a X-KDE-DBUS-Restricted-Interfaces field.
Like https://invent.kde.org/graphics/spectacle/-/merge_requests/3/diffs

So I should rename and add some comments, I guess.

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D29407

To: meven, #kwin, apol, davidedmundson, bport, zzag
Cc: ngraham, kwin, Orage, cacarry, LeGast00n, The-Feren-OS-Dev, cblack, jraleigh, zachus, fbampaloukas, mkulinski, ragreen, jackyalcine, iodelay, crozbo, bwowk, ZrenBot, alexeymin, himcesjf, lesliezhai, ali-mohamed, hardening, romangg, jensreuterberg, abetts, sebas, apol, ahiemstra, mart