removing hostname restriction for ?nx parameter

[kmurugulla]

Summary
Removes the client-side hostname check that was preventing the ?nx= query parameter from working on da.live and other production domains.

Changes

Removed hostname allowlist check in setNx() function
Updated test from "Does not support NX query param on prod" to "Supports NX query param on any domain"

Rationale

Repository permissions already control who can create branches in da-nx

The actual security boundary is at GitHub, not in the client-side code. Removing this check enables ?nx=local and ?nx=branch-name to work consistently in da.live

Test plan
[ ] Verify ?nx=local works on https://da.live/
[ ] Verify ?nx=branch-name works on https://da.live/
[ ] Verify existing functionality on .aem.live and .hlx. domains remains unchanged
[ ] Verify unit tests pass

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Commits

• 36399da ✅ (latest)
• 0f70070 ✅