Bank statement importing has been refactored to make it easier to use and extend, with clearer support for OFX, QIF, and CODA import formats. The bank reconciliation screen was also updated so accounting teams can continue matching imported transactions smoothly after recent platform changes.

- Refactored bank statement import
- Added icons for OFX/QIF/CODA import
- Adapted reconciliation widget to changes that occurred since V8

task: https://pad.odoo.com/p/r.1huS9NcQCCRJGyCR

Website image handling now supports attachments that point to an external URL, not just files stored directly in Odoo. This improves flexibility for websites that reuse externally hosted images and helps them display correctly through the standard website image route.