Use updated tracker for container

Dockerfile

@@ -4,7 +4,8 @@ RUN apk add --no-cache git && \
 WORKDIR /umami
 ADD src/fix.diff /umami/fix.diff
 RUN git apply fix.diff && \
-    npm install
+    npm install && \
+    npm run build-tracker
 ADD src/docker-entrypoint.sh /
 WORKDIR /umami
 ENTRYPOINT ["/docker-entrypoint.sh"]