Support adding 3 PIDs

Implements part of network/neochat#565

Note the phone number stuff is untested as neither kde.org or matrix.org have them switched on.

src/settings/PasswordSheet.qml

@@ -0,0 +1,34 @@
+// SPDX-FileCopyrightText: 2024 James Graham <james.h.graham@protonmail.com>
+// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+
+import QtQuick
+import QtQuick.Controls as QQC2
+import QtQuick.Layouts
+
+import org.kde.kirigami as Kirigami
+import org.kde.kirigamiaddons.formcard as FormCard
+
+Kirigami.Dialog {
+    id: root
+
+    signal submitPassword(string password)
+
+    title: i18nc("@title:dialog", "Enter password")
+
+    preferredWidth: Kirigami.Units.gridUnit * 24
+
+    standardButtons: QQC2.Dialog.Ok | QQC2.Dialog.Cancel
+    onAccepted: {
+        root.submitPassword(passwordField.text);
+        passwordField.text = "";
+        root.close();
+    }
+
+    ColumnLayout {
+        FormCard.FormTextFieldDelegate {
+            id: passwordField
+            label: i18nc("@label:textbox", "Password:")
+            echoMode: TextInput.Password
+        }
+    }
+}