D10659: [AppletConfiguration] Let applet override Return closing the dialog

[Kai Uwe Broulik]

broulik added a dependent revision: D10660: [Weather applet] Let Return invoke 
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REPOSITORY
  R119 Plasma Desktop

REVISION DETAIL
  https://phabricator.kde.org/D10659

To: broulik, #plasma, kossebau
Cc: plasma-devel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, 
sebas, apol, mart