fix: update server_update script and main.py to fix permission issues

server_update.sh

@@ -34,9 +34,9 @@ mysqldump --no-tablespaces -h ${DB_HOST:-localhost} -u ${DB_USER:-radionica} -p$
 
 # 4. Перезапуск
 echo "restarting services..."
+sudo chown -R www-data:www-data $PROJECT_DIR
 sudo systemctl restart radionica-backend
 cp /var/www/radionica3d/nginx.conf /etc/nginx/sites-available/radionica3d
 sudo systemctl reload nginx
-sudo chown -R www-data:www-data $PROJECT_DIR
 
 echo "==== DEPLOY FINISHED: $(date) ===="