[FancyZones] Move FancyZones out of the runner process (#11818)

* rename dll -> FancyZonesModuleInterface (#11488)

* [FancyZones] Rename "fancyzones/tests" -> "fancyzones/FancyZonesTests" (#11492)

* [FancyZones] Rename "fancyzones/lib" -> "fancyzones/FancyZonesLib" (#11489)

* [FancyZones] New FancyZones project. (#11544)

* [FancyZones] Allow single instance of "PowerToys.FancyZones.exe" (#11558)

* [FancyZones] Updated bug reports (#11571)

* [FancyZones] Updated installer (#11572)

* [FancyZones] Update string resources (#11596)

* [FancyZones] Terminate FancyZones with runner (#11696)

* [FancyZones] Drop support for the module interface API to save settings (#11661)

* Settings telemetry for FancyZones (#11766)

* commented out test

* enable dpi awareness for the process

src/modules/fancyzones/FancyZonesLib/OnThreadExecutor.cpp

@@ -0,0 +1,53 @@
+#include "pch.h"
+
+#include "on_thread_executor.h"
+#include "CallTracer.h"
+
+OnThreadExecutor::OnThreadExecutor() :
+    _shutdown_request{ false }, _worker_thread{ [this] { worker_thread(); } }
+{
+}
+
+std::future<void> OnThreadExecutor::submit(task_t task)
+{
+    auto future = task.get_future();
+    std::lock_guard lock{ _task_mutex };
+    _task_queue.emplace(std::move(task));
+    _task_cv.notify_one();
+    return future;
+}
+
+void OnThreadExecutor::cancel()
+{
+    std::lock_guard lock{ _task_mutex };
+    _task_queue = {};
+    _task_cv.notify_one();
+}
+
+
+void OnThreadExecutor::worker_thread()
+{
+    while (!_shutdown_request)
+    {
+        task_t task;
+        {
+            CallTracer callTracer(__FUNCTION__ "(loop)");
+            std::unique_lock task_lock{ _task_mutex };
+            _task_cv.wait(task_lock, [this] { return !_task_queue.empty() || _shutdown_request; });
+            if (_shutdown_request)
+            {
+                return;
+            }
+            task = std::move(_task_queue.front());
+            _task_queue.pop();
+        }
+        task();
+    }
+}
+
+OnThreadExecutor::~OnThreadExecutor()
+{
+    _shutdown_request = true;
+    _task_cv.notify_one();
+    _worker_thread.join();
+}