ECMS-5692: InvalidItemState when delete a document from dms-system works...

...pacce

Problem analysis:
 - when a node in collaboration workspace is deleted, it is moved to Trash folder and variable node is the new position
 - when a node in another workspace is deleted, it is moved to Trash folder but the variable node is deleted

Fix description:
 - assign the node variable with the new value in Trash folder