feat: use dev server settings from site

[davbree]

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Summary

Support dev server UI configuration and use it as default

ref CRE-1188

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[github-actions]

📊 Benchmark results

Comparing with 52ac076

• Dependency count: 1,235 (no change)
• Package size: 295 MB ⬆️ 0.00% increase vs. 52ac076
• Number of ts-expect-error directives: 989 (no change)

[lukasholzer]

Looks good to me!