fix: join link should be set correctly in the env variables

templates/compose/ente-photos.yaml

@@ -16,6 +16,7 @@ services:
       - ENTE_APPS_PUBLIC_ALBUMS=${SERVICE_URL_WEB_3002}
       - ENTE_APPS_CAST=${SERVICE_URL_WEB_3004}
       - ENTE_APPS_ACCOUNTS=${SERVICE_URL_WEB_3001}
+      - ENTE_PHOTOS_ORIGIN=${SERVICE_URL_WEB}
 
       - ENTE_DB_HOST=${ENTE_DB_HOST:-postgres}
       - ENTE_DB_PORT=${ENTE_DB_PORT:-5432}