Copy&Paste Order in Layout view improvement

### Description

In Dashboad 2.0 -> Layout re-ordering and moving of widgets, groups, pages is possible. In case of copy&paste of already existing elements, the order is in a strange way. Some nodes get added at the bottom of the tree view, sometimes some in the middle.
Also all Tree elements get expanded when working on items.

It is not clear which action triggers this behavior. But it is difficult to work with. In Dashboard 1 compacted list elements stayed compacted when working on other list elements. When copying elements, the copy of each element was entered below the source.

### Have you provided an initial effort estimate for this issue?

I have provided an initial effort estimate