Improve QML types

src/qml/Dialog/ConfirmDeactivateAccountDialog.qml

@@ -14,7 +14,7 @@ import org.kde.neochat 1.0
 FormCard.FormCardPage {
     id: root
 
-    property var connection
+    required property NeoChatConnection connection
 
     title: i18nc("@title", "Deactivate Account")
 

src/qml/Dialog/ConfirmLogout.qml

@@ -11,7 +11,7 @@ import org.kde.neochat 1.0
 QQC2.Dialog {
     id: root
 
-    property var connection
+    required property NeoChatConnection connection
 
     ColumnLayout {
         Kirigami.Heading {

src/qml/Page/JoinRoomPage.qml

@@ -14,7 +14,8 @@ import org.kde.neochat 1.0
 
 Kirigami.ScrollablePage {
     id: root
-    property var connection
+
+    required property NeoChatConnection connection
 
     property alias keyword: identifierField.text
     property string server

src/qml/Page/RoomList/UserInfo.qml

@@ -100,7 +100,7 @@ QQC2.ToolBar {
             delegate: Delegates.RoundedItemDelegate {
                 id: userDelegate
 
-                required property var connection
+                required property NeoChatConnection connection
 
                 width: parent.width
                 text: connection.localUser.displayName

src/qml/Page/StartChatPage.qml

@@ -15,7 +15,7 @@ import org.kde.neochat 1.0
 Kirigami.ScrollablePage {
     id: root
 
-    property var connection
+    property NeoChatConnection connection
 
     title: i18n("Start a Chat")
 

src/qml/Settings/DevicesPage.qml

@@ -12,15 +12,18 @@ import org.kde.kirigamiaddons.labs.mobileform 0.1 as MobileForm
 import org.kde.neochat 1.0
 
 Kirigami.ScrollablePage {
+    id: root
+
     title: i18n("Devices")
 
-    property alias connection: devicesModel.connection
+    required property NeoChatConnection connection
 
     leftPadding: 0
     rightPadding: 0
 
     DevicesModel {
         id: devicesModel
+        connection: root.connection
     }
 
     ColumnLayout {

src/qml/Settings/SettingsPage.qml

@@ -6,10 +6,12 @@ import org.kde.kirigami 2.18 as Kirigami
 import org.kde.kirigamiaddons.settings 1.0 as KirigamiSettings
 import QtQuick.Layouts 1.15
 
+import org.kde.neochat 1.0
+
 KirigamiSettings.CategorizedSettings {
     id: settingsPage
 
-    required property var connection
+    required property NeoChatConnection connection
 
     objectName: "settingsPage"
     actions: [