FFA

In all Superset reports, the "Export to Excel" and "Export to CSV" functionalities are exporting only the 10 records currently visible in the grid page.

However, the expected behaviour is that all records that match the applied filter criteria should be exported, not just the current page.

This issue is consistently reproducible across all reports.

Steps to Reproduce

1. Open any Superset report.
2. Apply filters that return more than 10 records.
3. Click Download→ Export to Excel or Export to CSV.
4. Open the exported file.

Actual Result

The exported file contains only the 10 records from the current page of the grid.

Expected Result

The exported file should contain all the records that match the selected filter criteria, across all pages in the grid.

Acceptance Criteria

• When a user exports a Superset report to Excel or CSV,
  Then the exported file contains all records available in the report, not just the current page.
• If filters are applied, the export should include all records that match the filter criteria.
• If no filters are applied, the export should include the entire dataset for the report.
• Pagination must never limit the exported data.
• The export behaviour must be consistent across all Superset reports.