HLR Design 2.0: Add SOC/SSOC Date field per Issue

Issue Description

Add opt in per issue.

[ ] Design has been created and uploaded

How to configure this issue
[ ] Attached to a Milestone (when will this be completed?)
[ ] Attached to an Epic (what body of work is this a part of?)
[ ] Labeled with Team (product support, analytics-insights, operations, service-design, tools-be, tools-fe)
[ ] Labeled with Practice Area (backend, frontend, devops, design, research, product, ia, qa, analytics, contact center, research, accessibility, content)
[ ] Labeled with Type (bug, request, discovery, documentation, etc.)