chore: Add embedded docs configuration details to extensions registry

[jfrag1]

SUMMARY

At Preset, we require more than just the embedded dashboard id to configure our SDK. This extension will allow us to display all the information required to embed a dashboard in one spot, improving the experience of embedding a dashboard.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[codecov]

Codecov Report

Merging #21052 (c93a45a) into master (4f1996d) will decrease coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master   #21052      +/-   ##
==========================================
- Coverage   66.27%   66.26%   -0.01%     
==========================================
  Files        1769     1769              
  Lines       67475    67477       +2     
  Branches     7171     7172       +1     
==========================================
  Hits        44716    44716              
- Misses      20928    20930       +2     
  Partials     1831     1831              

Flag	Coverage Δ
javascript	52.00% <0.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...set-ui-core/src/ui-overrides/ExtensionsRegistry.ts	100.00% <ø> (ø)
...rc/dashboard/components/DashboardEmbedControls.tsx	9.09% <0.00%> (-0.35%)	⬇️

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[jfrag1]

@lilykuang Can you press the merge button on this please?