fux: avoid running the focus hack if the first focus attempt succeedes (

#722)

* Avoid running the focus hack code if the first attempt to set the foreground window succeeded.

* Added .change file

* Accepted PR suggestion

* Delete windows-set-foreground-short-circuit.md

src/platform_impl/windows/window.rs

@@ -1267,7 +1267,9 @@ unsafe fn taskbar_mark_fullscreen(handle: HWND, fullscreen: bool) {
 
 unsafe fn force_window_active(handle: HWND) {
   // Try to focus the window without the hack first.
-  SetForegroundWindow(handle);
+  if SetForegroundWindow(handle).as_bool() {
+    return;
+  }
 
   // In some situations, calling SetForegroundWindow could not bring up the window,
   // This is a little hack which can "steal" the foreground window permission.