Flush input events before destroying the window

platform/windows/display_server_windows.cpp

@@ -2819,6 +2819,9 @@ LRESULT DisplayServerWindows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARA
 		case WM_DEVICECHANGE: {
 			joypad->probe_joypads();
 		} break;
+		case WM_DESTROY: {
+			Input::get_singleton()->flush_buffered_events();
+		} break;
 		case WM_SETCURSOR: {
 			if (LOWORD(lParam) == HTCLIENT) {
 				if (windows[window_id].window_has_focus && (mouse_mode == MOUSE_MODE_HIDDEN || mouse_mode == MOUSE_MODE_CAPTURED || mouse_mode == MOUSE_MODE_CONFINED_HIDDEN)) {