feat(media): pagination

features/integration.qa.md

@@ -21,7 +21,7 @@ Catalogue spec (pure data, no mount, imports web/src/data/apiCatalogue.ts):
    - article: id, title, body, body_format, is_online, created_at, updated_at;
    - media item: id, filename, url, size, content_type, width, height, sha256, uploaded_by,
      created_at, used_in, duplicate;
-   - media list: items, next_cursor, counts (all, unused, duplicates);
+   - media list: items, total, page, size, counts (all, unused, duplicates), no next_cursor;
    - merge: articles_updated, merged;
    - usage: id, title, published;
    - user list item: id, kind, username, display_name, email, role, status, created_at;