[Sys2Soft][ergonomics]It should be to reveal in the model explorer an element in a diagram #523

Initial conditions:
Tool started
A diagram is opened. This diagram must contain a few representations of model elements
The user clicks on an element displayed in the diagram
The user clicks on the "Link with Editor" button

Problem:
The diagram node is revealed in the model explorer

Expected result:
The element whose representation was selected in the diagram should be revealed