Use the exact motion associated with the warp

When Windows DPI scaling is enabled, the warp coordinates will be modified, so make sure we send exactly the coordinates that the warp attempted.

Fixes https://github.com/libsdl-org/SDL/issues/8940

(cherry picked from commit 8ce6fb25131912c7e83267bff03a5d1797545d5c)

src/video/windows/SDL_windowsmouse.c

@@ -282,6 +282,8 @@ static void WIN_WarpMouse(SDL_Window *window, int x, int y)
     SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
     HWND hwnd = data->hwnd;
     POINT pt;
+    int warp_x = x;
+    int warp_y = y;
 
     /* Don't warp the mouse while we're doing a modal interaction */
     if (data->in_title_click || data->focus_click_pending) {
@@ -295,7 +297,7 @@ static void WIN_WarpMouse(SDL_Window *window, int x, int y)
     WIN_SetCursorPos(pt.x, pt.y);
 
     /* Send the exact mouse motion associated with this warp */
-    SDL_SendMouseMotion(window, SDL_GetMouse()->mouseID, 0, x, y);
+    SDL_SendMouseMotion(window, SDL_GetMouse()->mouseID, 0, warp_x, warp_y);
 }
 
 static int WIN_WarpMouseGlobal(int x, int y)