i use both jira software as servicedesk so can't reproduce it for just servicedesk, but here you have some more info: https://confluence.atlassian.com/servicedeskcloud/searching-for-issues-780868069.html
how i filter is with jql and then just: resolution = Unresolved and project = projectA or project = projectB
if I understand your need try the following
JSD is based upon Jira core which provides dashboard capability.
Hello Insight users, As part of our (Mindville's) acquisition by Atlassian, our training team is looking to build some new Insight training materials. It would really helpful if you can ...
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