videoio(ffmpeg): fix VIDEO_ACCELERATION_ANY handling

- default is VIDEO_ACCELERATION_NONE

modules/videoio/src/cap_ffmpeg_impl.hpp

@@ -572,7 +572,7 @@ void CvCapture_FFMPEG::init()
     memset(&packet_filtered, 0, sizeof(packet_filtered));
     av_init_packet(&packet_filtered);
     bsfc = NULL;
-    va_type = cv::VIDEO_ACCELERATION_ANY;
+    va_type = cv::VIDEO_ACCELERATION_NONE;  // TODO OpenCV 5.0: change to _ANY?
     hw_device = -1;
 }