fix(docker): Copy lightwalletd from the correct path during Docker builds (#4886)

* Copy lightwalletd from the updated Docker path

* Try the build path instead

* Fix the build stage entrypoint path

docker/Dockerfile

@@ -92,7 +92,7 @@ FROM deps AS tests
 # TODO: do not hardcode the user /root/ even though is a safe assumption
 # Pre-download Zcash Sprout, Sapling parameters and Lightwalletd binary
 COPY --from=us-docker.pkg.dev/zealous-zebra/zebra/zcash-params /root/.zcash-params /root/.zcash-params
-COPY --from=us-docker.pkg.dev/zealous-zebra/zebra/lightwalletd /lightwalletd /usr/local/bin
+COPY --from=us-docker.pkg.dev/zealous-zebra/zebra/lightwalletd /opt/lightwalletd /usr/local/bin
 
 # Re-hydrate the minimum project skeleton identified by `cargo chef prepare` in the planner stage,
 # and build it to cache all possible sentry and test dependencies.

docker/zcash-lightwalletd/Dockerfile

@@ -36,7 +36,7 @@ RUN set -ex; \
     echo "rpcport=8232"; \
   } > "${ZCASHD_CONF_PATH}"
 
-ENTRYPOINT ["/lightwalletd"]
+ENTRYPOINT ["/opt/lightwalletd"]
 CMD ["--no-tls-very-insecure", "--grpc-bind-addr=0.0.0.0:9067",  "--http-bind-addr=0.0.0.0:9068", "--log-file=/dev/stdout", "--log-level=7"]
 
 ##