Connect a line item in plan to a project

Description - if plan is created without import project but down the road project is created pl. provide feature to connect workfront project without adding a new one.

Why is this feature important to you - as without this, it needs to be deleted in plan, Import and then add all capacity by team again.

How would you like the feature to work - able to connect project name to project in Workfront

Current Behaviour - no option. need to delete , import and re-do.