Get rid of a warning when starting up self host stack with docker compose V2 - OFFLINE_MODE is fine to be left as a blank string and warning might be causing some confusion.

hosting/docker-compose.yaml

@@ -26,7 +26,7 @@ services:
       BB_ADMIN_USER_EMAIL: ${BB_ADMIN_USER_EMAIL}
       BB_ADMIN_USER_PASSWORD: ${BB_ADMIN_USER_PASSWORD}
       PLUGINS_DIR: ${PLUGINS_DIR}
-      OFFLINE_MODE: ${OFFLINE_MODE}
+      OFFLINE_MODE: ${OFFLINE_MODE:-}
     depends_on:
       - worker-service
       - redis-service
@@ -53,7 +53,7 @@ services:
       INTERNAL_API_KEY: ${INTERNAL_API_KEY}
       REDIS_URL: redis-service:6379
       REDIS_PASSWORD: ${REDIS_PASSWORD}
-      OFFLINE_MODE: ${OFFLINE_MODE}
+      OFFLINE_MODE: ${OFFLINE_MODE:-}
     depends_on:
       - redis-service
       - minio-service