fix: show full city name with postal code and country in top villes

Restore full Cesium+ city field (including postal code), restructure
the city card so name wraps on two lines with country badge + tx count
+ volume all readable without truncation.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/services/adapters/CesiumAdapter.ts

@@ -129,7 +129,7 @@ export async function resolveGeoByKeys(
     if (!geo) continue;
     result.set(hit._id, {
       name:        src.title ?? '',
-      city:        cleanCityName(src.city ?? 'Inconnue'),
+      city:        src.city ?? 'Inconnue',
       countryCode: latLngToCountryCode(geo.lat, geo.lng),
       lat:         geo.lat,
       lng:         geo.lng,