feat(server): reverse geocoding endpoint (#11430)

* feat(server): reverse geocoding endpoint

* chore: rename error message

mobile/openapi/lib/api/map_api.dart

@@ -160,4 +160,61 @@ class MapApi {
     }
     return null;
   }
+
+  /// Performs an HTTP 'GET /map/reverse-geocode' operation and returns the [Response].
+  /// Parameters:
+  ///
+  /// * [double] lat (required):
+  ///
+  /// * [double] lon (required):
+  Future<Response> reverseGeocodeWithHttpInfo(double lat, double lon,) async {
+    // ignore: prefer_const_declarations
+    final path = r'/map/reverse-geocode';
+
+    // ignore: prefer_final_locals
+    Object? postBody;
+
+    final queryParams = <QueryParam>[];
+    final headerParams = <String, String>{};
+    final formParams = <String, String>{};
+
+      queryParams.addAll(_queryParams('', 'lat', lat));
+      queryParams.addAll(_queryParams('', 'lon', lon));
+
+    const contentTypes = <String>[];
+
+
+    return apiClient.invokeAPI(
+      path,
+      'GET',
+      queryParams,
+      postBody,
+      headerParams,
+      formParams,
+      contentTypes.isEmpty ? null : contentTypes.first,
+    );
+  }
+
+  /// Parameters:
+  ///
+  /// * [double] lat (required):
+  ///
+  /// * [double] lon (required):
+  Future<List<MapReverseGeocodeResponseDto>?> reverseGeocode(double lat, double lon,) async {
+    final response = await reverseGeocodeWithHttpInfo(lat, lon,);
+    if (response.statusCode >= HttpStatus.badRequest) {
+      throw ApiException(response.statusCode, await _decodeBodyBytes(response));
+    }
+    // When a remote server returns no body with a status of 204, we shall not decode it.
+    // At the time of writing this, `dart:convert` will throw an "Unexpected end of input"
+    // FormatException when trying to decode an empty string.
+    if (response.body.isNotEmpty && response.statusCode != HttpStatus.noContent) {
+      final responseBody = await _decodeBodyBytes(response);
+      return (await apiClient.deserializeAsync(responseBody, 'List<MapReverseGeocodeResponseDto>') as List)
+        .cast<MapReverseGeocodeResponseDto>()
+        .toList(growable: false);
+
+    }
+    return null;
+  }
 }