So the results are indeed provided by the Jira app. However, saving the prompt is a Copilot functionality. I suggest you to reach out to Microsoft.
Here is the screenshot
While I can see the Bookmark option with regular prompt in Copilot
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.