JIRA Integration - On vulnerability details page, create Jira issue

What does this MR do?

It adds the following capabilities to the vulnerability details page:

• Create new Jira issue, which will be associated with the given vulnerability
• List already associated Jira issues

Screenshots (strongly suggested)

state	screenshot
single issue
multiple issues
loading
error

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry Currently behind feature flag
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• [-] Informed Infrastructure department of a default or new setting change, if applicable per definition of done

Related to #289812 (closed)