Bug: conversation avatar is empty when send OA notification message by api.

[FGadvancer]

What happened?

Conversation avatar is empty when send OA notification message by api.

What did you expect to happen?

Conversation show right avatar when send OA notification message by api.

How can we reproduce it (as minimally and precisely as possible)?

Just send a notification message(1400) by api.

Anything else we need to know?

No response

version

```console $ {name} version # paste output here ```

Cloud provider

OS version

```console # On Linux: $ cat /etc/os-release # paste output here $ uname -a # paste output here # On Windows: C:\> wmic os get Caption, Version, BuildNumber, OSArchitecture # paste output here ```

Install tools