Add “See all linked records” navigation for junction (many-to-many) relations

Scope & Context We use Twenty v2.40.2 (Docker) to manage organizations and assets. Organizations and assets are connected through a junction object: an organization can have multiple assets, and the same asset can be linked to multiple organizations. This request is about adding the existing ↗ “See all linked records” action to junction relation widgets on record detail pages, providing the same access to the full record list as a regular Has Many relation. The main reason for this request is to work with the related records using the standard list interface, including filtering, sorting, column selection and data export. Current behavior For a regular Has Many relation, the widget header shows an ↗ button next to the edit button. Clicking it opens the related object’s list, filtered to records linked to the current record. For a junction relation, the widget displays the related target records, but the header only shows the edit button. The equivalent ↗ action is missing. …