We have set duplication detection rule on Incident entity.

If the duplication detection alert window is popped up after the user attempt to create or update an Incident record, the user might need to view an existing duplicated record from the grid in the alert window in order to decide what to do with the record that is being created or updated, but trying to open an existing record’s form shows a warning that opening the form, which means - navigating away from the record that is being created or updated, will result in data loss on that record.

The existing duplicated record in the duplication detection alert window should be opened in a new window, allowing the user to go back and work on the new/updated record, with out loosing data.