Spotlight: Harden desktop window detection

ExplorerPatcher/dllmain.c

@@ -9235,7 +9235,7 @@ BOOL shell32_DeleteMenu(HMENU hMenu, UINT uPosition, UINT uFlags)
 
 BOOL shell32_TrackPopupMenu(HMENU hMenu, UINT uFlags, int x, int y, int nReserved, HWND hWnd, const RECT* prcRect)
 {
-    if (IsSpotlightEnabled() && dwSpotlightDesktopMenuMask && RegisterWindowMessageW(L"WorkerW") == GetClassWord(GetParent(hWnd), GCW_ATOM) && bSpotlightIsDesktopContextMenu)
+    if (IsSpotlightEnabled() && dwSpotlightDesktopMenuMask && (GetPropW(GetParent(hWnd), L"DesktopWindow") && RegisterWindowMessageW(L"WorkerW") == GetClassWord(GetParent(hWnd), GCW_ATOM)) && bSpotlightIsDesktopContextMenu)
     {
         SpotlightHelper(dwSpotlightDesktopMenuMask, hWnd, hMenu, NULL);
     }