Fix upload root files being hidden

What does this MR do and why?

The root files selection dialog is hidden when it pops up. This was caused by a misplaced div end tag. This fixes that.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• Have you checked this doesn't interfere/conflict/duplicate someone elses work?
• Have you fully tested your changes?
• Have you resolved any lint issues?
• Have you assigned a reviewer?
• Have you applied correct labels?