✨(backend) add ancestors links definitions to document abilities

The frontend needs to display inherited link accesses when it displays
possible selection options. We need to return this information to the
client.

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to
 
 ### Added
 
+- ✨(backend) add ancestors links definitions to document abilities #846
 - ✨(backend) include ancestors accesses on document accesses list view # 846
 - ✨(backend) add ancestors links reach and role to document API #846
 - ✨(frontend) add customization for translations #857

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

@@ -74,6 +74,7 @@ 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,