{kcms,plugins}: Use real ellipsis character for user-facing translated strings

This is better for screen readers.

src/kcms/tabbox/main.cpp

@@ -66,7 +66,7 @@ KWinTabBoxConfig::KWinTabBoxConfig(QObject *parent, const KPluginMetaData &data)
     tabWidget->addTab(m_primaryTabBoxUi, i18n("Main"));
     tabWidget->addTab(m_alternativeTabBoxUi, i18n("Alternative"));
 
-    KNSWidgets::Button *ghnsButton = new KNSWidgets::Button(i18n("Get New Task Switchers..."), QStringLiteral("kwinswitcher.knsrc"), widget());
+    KNSWidgets::Button *ghnsButton = new KNSWidgets::Button(i18n("Get New Task Switchers…"), QStringLiteral("kwinswitcher.knsrc"), widget());
     connect(ghnsButton, &KNSWidgets::Button::dialogFinished, this, [this](auto changedEntries) {
         if (!changedEntries.isEmpty()) {
             initLayoutLists();

src/plugins/tileseditor/qml/main.qml

@@ -158,7 +158,7 @@ FocusScope {
             }
             PlasmaComponents.Button {
                 icon.name: "document-open"
-                text: i18nd("kwin","Load Layout...")
+                text: i18nd("kwin","Load Layout…")
                 onClicked: loadLayoutDialog.open()
                 // This mouse area is for fitts law
                 MouseArea {