✅(back) fix backend code related to multipage dev

During the multipage dev, the code base has changed a lot and rebase
after rebase it has come difficult to manage fixup commits. This commits
fix modification made that can be fixup in previous commits. The
persmission AccessPermission has been renamed in
ResourceWithAccessPermission and should be used in the
DocumentAskForAccessViewSet. A migration with the same dependency
exists, the last one is fixed. And a test didn't have removed an
abilitites.

src/backend/core/tests/documents/test_api_documents_trashbin.py

@@ -74,7 +74,6 @@ def test_api_documents_trashbin_format():
             "accesses_view": True,
             "ai_transform": True,
             "ai_translate": True,
-            "ancestors_links_definitions": {},
             "attachment_upload": True,
             "can_edit": True,
             "children_create": True,