Steps to reproduce this issue are as follows.
- Navigate to Modern UX. Create a new Project. Allocate 2 roles against it
- Navigate to Staffing page. Filter for the project created above in the "Allocations Timeline" tab, "Allocations By Investment" section
- Right click on one of the roles, open Details flyout. Display "Resource" field. Choose a named resource against the Resource field
Expected Results: The role record in the Allocations Timeline is automatically removed, after the named resource record gets added
Actual Results: The role record continues to get displayed till a hard refresh of the Timeline is performed.