User Feedback: Change 'Create Ticket' integration message template

[bruno-garcia]

tldr: Change the wording in the default comment template from Sentry issue to User Feedback:

By default, this is the experience:

But since it's linking back to a Feedback, the wording Issue is confusing.

[getsantry[bot]]

Routing to @getsentry/product-owners-user-feedback for triage ⏲️