fix: remove patched entrypoint, use server team's fixed image

Server team fixed the BASE_PATH sed ordering bug. Remove our entrypoint
override and let the image's own entrypoint handle it.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docker-compose.yml

@@ -192,12 +192,9 @@ services:
   cameleer3-server-ui:
     image: ${CAMELEER3_SERVER_UI_IMAGE:-gitea.siegeln.net/cameleer/cameleer3-server-ui}:${VERSION:-latest}
     restart: unless-stopped
-    entrypoint: ["/bin/sh", "/cameleer-entrypoint-patched.sh"]
     depends_on:
       cameleer3-server:
         condition: service_healthy
-    volumes:
-      - ./docker/server-ui-entrypoint.sh:/cameleer-entrypoint-patched.sh:ro
     environment:
       CAMELEER_API_URL: http://cameleer3-server:8081
       BASE_PATH: /server