Users can now restore a spreadsheet to a previous version when needed. The update also strengthens version history safeguards to prevent corrupted histories during simultaneous edits, making spreadsheet recovery more reliable.

Task: [3611266](https://www.odoo.com/web#id=3611266&action=333&active_id=2328&model=project.task&view_type=form&cids=1&menu_id=4720)