Issue Summary

requesterChannelLink custom field does not populate when Private chat requests is enabled

Steps to Reproduce

1. Add requesterChannelLink custom field to a request type - Instructions: Automatically add Slack channel information to custom fields in Jira when using JSM Chat
2. Enable "Private chat requests" on Project settings > Channels & self service > Chat > Settings
3. Create a ticket from a message in the Slack Request channel (i.e. react with the "ticket" emoji)

Expected Results

The request is created and the requesterChannelLink custom field is populated with the link

Actual Results

The requesterChannelLink custom field is populated with the following message:

No requester channel thread available, ticket was created via slack-emoji 

Workaround

Disable "Private chat requests" on the Chat settings