Fix raw value detection for country fields with invalid codes

[Copilot]

Country fields were unconditionally excluded from raw value styling, even when containing invalid country codes. This prevented visual indication of malformed data.

Changes

• Modified isRawValue() logic in modules/ui/fields/combo.js:777: Now validates country code values against buildCountry() map before excluding from raw value treatment

// Before: all country field values excluded
&& !osmIsoCountryKeys.has(field.key);

// After: only valid country codes excluded  
&& !(osmIsoCountryKeys.has(field.key) && value in buildCountry());

Behavior:

• Valid ISO codes (e.g., US, GB) → not styled as raw
• Invalid codes (e.g., invalid, XX) → styled as raw

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• api.panoramax.xyz
  • Triggering command: /opt/hostedtoolcache/node/24.13.0/x64/bin/node /opt/hostedtoolcache/node/24.13.0/x64/bin/node --conditions node --conditions development --experimental-import-meta-resolve --require /home/REDACTED/work/iD/iD/node_modules/vitest/suppress-warnings.cjs /home/REDACTED/work/iD/iD/node_modules/vitest/dist/workers/forks.js (dns block)
• cdn.jsdelivr.net
  • Triggering command: /home/REDACTED/work/_temp/ghcca-node/node/bin/node node scripts/build_data.js (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

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[k-yle]

well that was a massive waste of electricity... but it does fix #11783 (comment)

[Razen04]

This works fine.