- Added python-magic to external dependencies in __manifest__.py
- Fixed metadata formatting for print-paper-size in ir_actions_report.py

- the file is correctly computed when fetched from redner
- the file name is standardized.

fixes the display of the button being quirky
also fix the button vanish when value==False

to avoid unnecessary PUTs and POSTs

with barebone view management

only name, redner_id, detected_keywords and active are stored in odoo db

Renamed `find_field_with_sort_order` to `parse_sorted_field`.

- Updated the `find_field_with_sort_order` function to return
`(expression, None)` when the regex doesn't match.
- This provides clearer feedback by preserving the original expression.