[Dashboards as Code] Allow pinned panels via scope tooling

[Heenawter]

Summary

This PR updates the scope tooling to allow pinned panels.

Checklist

• Unit or functional tests were updated or added to match the most common scenarios
• The PR description includes the appropriate Release Notes section, and the correct release_note:* label is applied per the guidelines
• Review the backport guidelines and apply applicable backport:* labels.

[elasticmachine]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: c09de1a

Failed CI Steps

• Jest Tests #3
• FTR Configs #124

Test Failures

• [job] [logs] FTR Configs #124 / dashboard app - group 5 empty dashboard "after all" hook for "should open editor menu when editor button is clicked"
• [job] [logs] FTR Configs #124 / dashboard app - group 5 empty dashboard "before all" hook for "should display empty widget"
• [job] [logs] Jest Tests #3 / When on the trusted devices page RBAC Trusted Devices ALL privilege should enable adding entries

Metrics [docs]

✅ unchanged

History

• 💔 Build #398159 failed f0679ac
• 💔 Build #398058 failed 1d39798

cc @Heenawter

[elasticmachine]

Pinging @elastic/kibana-presentation (Team:Presentation)

[ThomThomson]

Scope tooling changes LGTM!