Port login to FormCard

src/qml/Component/Login/Loading.qml

@@ -6,16 +6,19 @@ import QtQuick.Controls 2.15 as QQC2
 import QtQuick.Layouts 1.15
 
 import org.kde.kirigami 2.20 as Kirigami
+import org.kde.kirigamiaddons.formcard 1.0 as FormCard
 
 import org.kde.neochat 1.0
 
-Kirigami.LoadingPlaceholder {
-    property var showContinueButton: false
-    property var showBackButton: false
-
-    QQC2.Label {
+LoginStep {
+    id: root
+    FormCard.FormTextDelegate {
         text: i18n("Please wait. This might take a little while.")
     }
+    FormCard.AbstractFormDelegate {
+        contentItem: QQC2.BusyIndicator {}
+        background: null
+    }
 
     Connections {
         target: Controller