D29333: Don't show an empty error dialog when canceling the sync password prompt

[Filip Fila]

filipf added a comment.


  Yeah, this is also an issue when clicking cancel on a password prompt in sddm-kcm's GHNS and when clicking Reset in the Advanced tab. And when canceling theme deletion an empty inline message pops up :/
  
  We could work around all four though. I'm of the opinion that it's better to have a workaround if waiting for a proper fix will take time. I also agree with @ngraham that no notification is needed when an auth dialog is canceled.

REPOSITORY
  R123 SDDM Configuration Panel (KCM)

REVISION DETAIL
  https://phabricator.kde.org/D29333

To: ngraham, filipf, davidedmundson, #plasma
Cc: broulik, mthw, plasma-devel, Orage, LeGast00n, The-Feren-OS-Dev, cblack, jraleigh, zachus, fbampaloukas, ragreen, ZrenBot, ngraham, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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