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-extra-cmake-modules/source/tests/ECMAddTests/testhelper.cpp

@@ -0,0 +1,8 @@
+#include "testhelper.h"
+#include <fstream>
+#include <string>
+
+void make_test_file(const char *filename)
+{
+    std::ofstream(filename) << "test" << std::endl;
+}