Remove un accessible links from embded dashboards context menu

What does this MR do?

Fixes #207184 (closed) by removing logs_path from EnvironmentsHelper#metrics_data for users which does not have rights to view them.

Screenshot

user has access to logs section:

user does not have access to logs section:

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)

  I have checked in https://docs.gitlab.com/ee/user/project/integrations/prometheus.html#embedding-metric-charts-within-gitlab-flavored-markdown and https://docs.gitlab.com/ee/user/project/clusters/kubernetes_pod_logs.html

• Code review guidelines but I haven't found any mentions about affected link, so I assume there is no need to update anything.
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content