fix(userbot): repeated link rows no longer abort the message insert

backend/src/userbot/modules/links/repository.py

@@ -7,6 +7,14 @@ INSERT INTO links
     (account_id, chat_id, message_id, position, url, kind, web_url, web_title,
      web_description, web_site_name, raw)
 VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11::jsonb)
+ON CONFLICT (account_id, chat_id, message_id, position) DO UPDATE SET
+    url = EXCLUDED.url,
+    kind = EXCLUDED.kind,
+    web_url = EXCLUDED.web_url,
+    web_title = EXCLUDED.web_title,
+    web_description = EXCLUDED.web_description,
+    web_site_name = EXCLUDED.web_site_name,
+    raw = EXCLUDED.raw
 """