bug(graph): vulnerabilities & dorks are duplicated, make display hard to read

[psyray]

Current Behavior

All is in the title

Expected Behavior

Graph should be pleasant to read
On very huge scope it could be hard, but on small scope with a lot of same vulns it must be well displayed

Steps To Reproduce

Go to the visualization menu of a target with a lot of duplicated vulns

Environment

- reNgine: 2.1.0
- OS: 
- Python: 
- Docker Engine: 
- Docker Compose: 
- Browser:

Anything else?

No response

Acknowledgements

• This issue is not a duplicate of an existing bug report.
• I have chosen an appropriate title.
• All requested information has been provided properly.

[psyray]

duplicate of #124
removing