fix: seed stale mime assertion instead of docroot move

compose.yml

@@ -21,14 +21,14 @@ services:
         - "traefik.http.middlewares.${STACK_NAME}-redirect.headers.SSLHost=${DOMAIN}"
         - "coop-cloud.${STACK_NAME}.version=1.11.2+1.29.0"
         - "backupbot.backup=true"
-        - "backupbot.backup.path=/var/www/html"
+        - "backupbot.backup.path=/usr/share/nginx/html"
     environment:
       - DEFAULT_CONF_FILE=/etc/nginx/conf.d/default.conf
       - REDIRECT_FROM_PATH
       - REDIRECT_TO_URL
       - REDIRECT_TYPE
     volumes:
-      - content:/var/www/html
+      - content:/usr/share/nginx/html
     configs:
       - source: nginx_default_conf
         target: /etc/nginx/conf.d/default.conf