As the summary says, whith cluster configuration, adding a new location to an object don't immediately refresh the discovery bar content tree.

Steps to Reproduce

1 - Create two folders in paralell: Folder1 and Folder2
2 - Access Folder1
3 - Create one article - Article1
4 - See Content Tree on the discovery bar - Article1 is within Folder1
5 - Add Folder2 as new location for Article1
6 - See Content Tree - Article1 is not shown within Folder2

If we view Article1 that is within Folder 2, and then open content tree, then the tree is updated and we can see the updated structure.