fix: dart

Author: shortcuts

clients/algoliasearch-client-dart/packages/client_core/lib/src/algolia_exception.dart

@@ -73,6 +73,7 @@ final class AlgoliaWaitException implements AlgoliaException {
 final class UnreachableHostsException implements AlgoliaException {
   /// The list of errors associated with each unreachable host.
   final List<AlgoliaException> errors;
+  final String message;
 
   /// Constructs an [UnreachableHostsException] with the provided list of errors.
   const UnreachableHostsException(this.errors);

tests/CTS/client/search/api.json

@@ -133,7 +133,7 @@
         "expected": {
           "error": {
             "csharp": "RetryStrategy failed to connect to Algolia. If the error persists, please visit our help center <SUPPORT_LINK_HERE> or reach out to the Algolia Support team: https://alg.li/support. Reason: The operation has timed out.",
-            "dart": "UnreachableHostsException{errors: [AlgoliaTimeoutException{error: DioException [receive timeout]: The request took longer than 0:00:05.000000 to receive data. It was aborted. To get rid of this exception, try raising the RequestOptions.receiveTimeout above the duration of 0:00:05.000000 or improve the response time of the server., message: If the error persists, please visit our help center <SUPPORT_LINK_HERE> or reach out to the Algolia Support team: https://alg.li/support.}]}",
+            "dart": "UnreachableHostsException{errors: [AlgoliaTimeoutException{error: DioException [receive timeout]: The request took longer than 0:00:05.000000 to receive data. It was aborted. To get rid of this exception, try raising the RequestOptions.receiveTimeout above the duration of 0:00:05.000000 or improve the response time of the server.}], message: If the error persists, please visit our help center <SUPPORT_LINK_HERE> or reach out to the Algolia Support team: https://alg.li/support.}",
             "go": "failed to do request: all hosts have been contacted unsuccessfully, it can either be a server or a network error or wrong appID/key credentials were used. If the error persists, please visit our help center <SUPPORT_LINK_HERE> or reach out to the Algolia Support team: https://alg.li/support. You can use 'ExposeIntermediateNetworkErrors: true' in the config to investigate.",
             "java": "Error(s) while processing the retry strategy. If the error persists, please visit our help center <SUPPORT_LINK_HERE> or reach out to the Algolia Support team: https://alg.li/support.\\nCaused by: java.net.SocketTimeoutException: timeout",
             "javascript": "Unreachable hosts - your application id may be incorrect. If the error persists, please visit our help center <SUPPORT_LINK_HERE> or reach out to the Algolia Support team: https://alg.li/support.",