Resolve "Hide or disable security reports feedback actions when not authorized"

What does this MR do?

• Adds permissions checks for dismiss issue and create issue buttons in security reports

Screenshots (if relevant)

no permissions	can create issue	can dismiss

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Tests added for this feature/bug
• Conform by the code review guidelines
  • Has been reviewed by a Frontend maintainer
  • Has been reviewed by a Backend maintainer
• EE specific content should be in the top level /ee folder
• Conform by the merge request performance guides
• Conform by the style guides
• If you have multiple commits, please combine them into a few logically organized commits by squashing them
• Internationalization required/considered

What are the relevant issue numbers?

Closes #6078 (closed)