chown /code to mythtv as well, as the /code path needs to be writable now that pa_exifautotran re-writes images

Dockerfile

@@ -22,6 +22,7 @@ RUN pip3 install --upgrade pillow --user
 EXPOSE 443
 EXPOSE 55432
 COPY . .
+RUN chown mythtv:mythtv /code
 RUN chown mythtv:mythtv ./static
 RUN chown mythtv:mythtv ./static/*
 CMD ["./wrapper.sh"]