Fixed abuse reports link url

What does this MR do?

In admin area navbar, fixed abuse reports link URL.

Are there points in the code the reviewer needs to double check?

None

Why was this MR needed?

Current admin area navibar, abuse reports link is broadcast messages.

Screenshots (if relevant)

None

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• API support added
• Tests added for this feature/bug
• Review
  • Has been reviewed by UX
  • Has been reviewed by Frontend
  • Has been reviewed by Backend
  • Has been reviewed by Database
• Conform by the merge request performance guides
• Conform by the style guides
• Squashed related commits together
• Internationalization required/considered

What are the relevant issue numbers?

None