Fixed some broken props in mail components

Signed-off-by: Claudio Cambra <claudio.cambra@gmail.com>

src/mail/qml/FolderView.qml

@@ -13,7 +13,7 @@ import './private'
 Kirigami.ScrollablePage {
     id: folderView
     title: MailManager.selectedFolderName
-    readonly property int mode: KalendarApplication.Mail
+    readonly property int mode: Kalendar.KalendarApplication.Mail
 
     Connections {
         target: Kalendar.Filter

src/mail/qml/mailboxselector/MailBoxList.qml

@@ -103,7 +103,7 @@ ListView {
                     }
                 }
 
-                property bool showSelected: (controlRoot.pressed === true || (controlRoot.highlighted === true && applicationWindow().isWidescreen))
+                property bool showSelected: (controlRoot.pressed === true || (controlRoot.highlighted === true && applicationWindow().wideScreen))
 
                 background: Rectangle {
                     color: Qt.rgba(Kirigami.Theme.highlightColor.r, Kirigami.Theme.highlightColor.g, Kirigami.Theme.highlightColor.b, controlRoot.showSelected ? 0.5 : hoverHandler.hovered ? 0.2 : 0)

src/mail/qml/private/MailDelegate.qml

@@ -29,7 +29,7 @@ Kirigami.AbstractListItem {
     signal starMailRequested()
     signal contextMenuRequested()
 
-    property bool showSelected: (mouseArea.pressed === true || (root.highlighted === true && applicationWindow().isWidescreen))
+    property bool showSelected: (mouseArea.pressed === true || (root.highlighted === true && applicationWindow().wideScreen))
 
     background: Rectangle {
         color: Qt.rgba(Kirigami.Theme.highlightColor.r, Kirigami.Theme.highlightColor.g, Kirigami.Theme.highlightColor.b, root.showSelected ? 0.5 : hoverHandler.hovered ? 0.2 : 0)