Error in Creating Open AI Asssitant Failed to create assistant: UserError: Failed to index file: Unsupported file file-L2g2TsSIEB8kZEKMVh52ppbT type: application/cs" and Second Error was when using .xlsx file type "There was an error uploading the file Performance_Report.xlsx: Invalid file format. Supported formats: ['c', 'cpp', 'csv', 'docx', 'html', 'java', 'json', 'md', 'pdf', 'php', 'pptx', 'py', 'rb', 'tex', 'txt', 'css', 'jpeg', 'jpg', 'js', 'gif', 'png', 'tar', 'ts', 'xlsx', 'xml', 'zip']