WIP: Re-name "Delete" button to "Archive" on Design Tab

What does this MR do?

This MR changes the delete button for an archive button. As mentioned at #220964 (closed), currently it's scary to click the "Delete" button for one or more designs, because it sounds serious.

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

Closes #220964 (closed)