WIP: Resolve "Make the Design Collection more visible in the Issue UI"

What does this MR do?

At the bottom of the issue a section similar to Related issues is added to the available design thumbnails of an issue. This provides easier access to the designs and more important information to the users looking at issues.

Screenshots

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers

Issue #14744 (closed)