Issue Summary

Slack workspace where connects to Assist app. In the request channel, if user @ mention the other user and create ticket from that post, Assist auto-reply the ticket information with that message. It includes "@"mention part.

If there are the user who has username duplicates other user's display name, Assist reply includes wrong user's mention.

There are 2 users like below.

example:

User A:

• Slack Display name: portal
• Slack username: XXXXX.portal

User B:

• Slack Display name: portal20241119
• Slack username: portal

User B's username:

Slack Display name: user name used for @ mention
Slack username: user name used internally (Configured in https://<workspace>.slack.com/account/settings#username)

Steps to Reproduce

1. Connect Slack workspace to JSM site
2. There are the user who has username duplicates other user's display name
3. In the request channel, @ mention User A and create ticket with Assist
4. Assist auto-reply with @ mention to User B
   

Expected Results

Assist mention the correct user

Actual Results

Assist mention the incorrect user

Workaround

Change either User A's display name or User B's username to avoid duplicates.