Remove secondary read-only banners on archived work items

What does this MR do and why?

Remove secondary read-only banner on work items (issues, epics, and child items) in archived group/project.

References

• Context #561422 (comment 2689844747)
• Related to #569670 (closed)

Screenshots or screen recordings

	Before	After
Issues
Child Items
Epics

How to set up and validate locally

1. Create a group with the following contents:
   • Epic
   • Project
   • Issue
   • Child Items
2. Create threads on the epic, issue, and child items.
3. Go to Group > Settings > General > Advanced > Archive group.
4. View the epic, issue, and child items.

MR acceptance checklist

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