Representation of Neo4j relationships

[ValeriyWorld]

Describe the bug (A clear and concise description of what the bug is.) There are no image representation of graph relationships. And also source and target are displayed in wrong vice versa order.

Screenshots (If applicable, add screenshots to help explain your problem) Example of result: As we can see, there are no image representation of relationships + source and target should be in the vice versa order. Both changes are in frontend part.