Advance Wayland and KDE package bring-up

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

local/recipes/kde/kf6-kwidgetsaddons/source/tests/kpassworddialogtest.cpp

@@ -0,0 +1,75 @@
+/*
+    This file is part of the KDE libraries
+    SPDX-FileCopyrightText: 2007 Olivier Goffart <ogoffart at kde.org>
+
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#include <QApplication>
+#include <QMap>
+
+#include <kpassworddialog.h>
+
+#include <iostream>
+
+// We can't depend on i18n in this test, but still -- show good practice (other than the line below) :-)
+#define i18n QString::fromLatin1
+
+int main(int argc, char *argv[])
+{
+    QApplication::setApplicationName(QStringLiteral("KNewPasswordDialogTest"));
+    QApplication a(argc, argv);
+
+    // step 1  simple password
+    {
+        KPasswordDialog dlg(nullptr, KPasswordDialog::ShowKeepPassword);
+        dlg.setPrompt(
+            i18n("This is a long prompt line. It is important it to be long so we can test the dialog does not get broken because of multiline labels. Please "
+                 "enter a password:"));
+        dlg.addCommentLine(i18n("This is a rather large left comment line"),
+                           i18n("Right part of the comment line has to be long too so be test the layouting works really ok. Please visit http://www.kde.org"));
+
+        if (dlg.exec()) {
+            std::cout << "Entered password: " << qPrintable(dlg.password()) << std::endl;
+        } else {
+            std::cout << "No password" << std::endl;
+            return -1;
+        }
+    }
+
+    // step 2 readonly username
+    {
+        KPasswordDialog dlg(nullptr, KPasswordDialog::ShowUsernameLine | KPasswordDialog::UsernameReadOnly);
+        dlg.setPrompt(i18n("Enter a password for the test"));
+        dlg.setUsername(QStringLiteral("konqui"));
+        dlg.addCommentLine(i18n("Site"), i18n("http://www.kde.org"));
+
+        if (dlg.exec()) {
+            std::cout << "Entered password: " << qPrintable(dlg.password()) << std::endl;
+        } else {
+            std::cout << "No password" << std::endl;
+            return -1;
+        }
+    }
+
+    // step 3 with some username preset
+    {
+        KPasswordDialog dlg(nullptr, KPasswordDialog::ShowUsernameLine);
+        dlg.setPrompt(i18n("Enter a password for the test"));
+        QMap<QString, QString> logins;
+        logins.insert(QStringLiteral("konqui"), QStringLiteral("foo"));
+        logins.insert(QStringLiteral("watson"), QStringLiteral("bar"));
+        logins.insert(QStringLiteral("ogoffart"), QString());
+
+        dlg.setKnownLogins(logins);
+
+        if (dlg.exec()) {
+            std::cout << "Entered password: " << qPrintable(dlg.password()) << " for username " << qPrintable(dlg.username()) << std::endl;
+        } else {
+            std::cout << "No password" << std::endl;
+            return -1;
+        }
+    }
+
+    return 0;
+}