Exporting of Data via CSV failing with error code 400

### 👟 Reproduction steps <img width="427" height="204" alt="Image" src="https://github.com/user-attachments/assets/b68e76b8-f7f1-444c-9f3f-986aa691aa52" /> This error comes when exporting data from a collection in csv. ### 👍 Expected behavior Let the user download the data in csv as mentioned in --- https://appwrite.io/docs/products/databases/csv-exports layout: article title: CSV exports description: Export table data to CSV files from the Console. Share clean datasets with your team without writing custom scripts. --- Appwrite's CSV Export feature allows you to export rows from a table to a CSV file. This is especially useful for reporting, sharing data with non-technical team members, creating custom backups, or handing off datasets to analytics tools. This feature is available in both Appwrite Cloud and the self-hosted version. # Export configuration {% #export-configuration %} Before exporting, you can configure several options to control the output format and contents. These settings ensure you get exactly the data you need in the format your tools expect. ## Apply filters {% #apply-filters %} You can apply filters to your table from the table view and use those to export only the rows you need. This is especially useful when you want to export a subset of your data for a specific use case. ## Select columns {% #select-columns %} You can choose which columns to include in your export. By default, all columns are exported, but selecting specific columns creates cleaner, more focused datasets that are easier to work with in spreadsheets and analytics tools. {% info title="Good to know" %} System columns like `$id`, `$createdAt`, and `$updatedAt` are automatically included in the export. {% /info %} ## Custom delimiter {% #custom-delimiter %} You can set a custom delimiter for your CSV file. While commas are standard, you can use tabs, semicolons, or other delimiters based on your requirements or the tools you're importing into. Common delimiters: - **Comma (…