Add autostop check to folder table

What does this MR do?

Fixes bug where auto-stop time was not appearing for environments inside folders. See: #213299 (closed).

Also, this MR removes a feature flag as we've confirmed this feature is deemed stable.

Screenshots

before	after

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• 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.