Show log corresponding to env in admin/logs

What does this MR do?

Implements #23979 (closed).

Are there points in the code the reviewer needs to double check?

• Should doc be worded differently?

Why was this MR needed?

Because environment log file to show in admin/logs was hardcoded to production.log via ProductionLogger class, showing the wrong logfile when not running in production env.

Does this MR meet the acceptance criteria?

• CHANGELOG entry added
• Documentation created/updated
• N.A. API support added
• Tests
  • Updated for this change
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Closes #23979 (closed)