fix(carto): Cannot read property 'match' of undefined

src/structures/structures.controller.ts

@@ -77,7 +77,7 @@ export class StructuresController {
               ) ||
               _.deburr(cityPoint.properties.name?.toLowerCase().replace(/\-/g, ' ')) ===
                 _.deburr(city).toLowerCase().replace(/\-/g, ' ')) &&
-            cityPoint.properties.postcode.match(depRegex)
+            cityPoint.properties.postcode?.match(depRegex)
         )
       )
       .then((data) => data.map((filteredCityPoint) => filteredCityPoint.geometry.coordinates));