Refactor Pods Logs to Vue in operations/environments

What does this MR do?

This MR uses Vue instead of HAML to display the logs page.

Should be followed up by #34306 (closed)

Enable this change:

Feature.enable('environment_logs_use_vue_ui')

Previous code is kept and is meant to be removed in later iteration.

Screenshots

UI changes are minimal, as this is a refactor: ~backstage

before	after*
*Some new icons are available in Vue, so those are used.

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation created/updated or follow-up review issue created
• 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

Closes #33537 (closed)