add new fields on message snapshot (#716)

lib/src/http/managers/message_manager.dart

@@ -93,10 +93,10 @@ class MessageManager extends Manager<Message> {
         parseMessageInteractionMetadata,
       ),
       thread: maybeParse(raw['thread'], client.channels.parse) as Thread?,
-      components: maybeParseMany(raw['components'], parseMessageComponent),
+      components: snapshot.components,
       position: raw['position'] as int?,
       roleSubscriptionData: maybeParse(raw['role_subscription_data'], parseRoleSubscriptionData),
-      stickers: parseMany(raw['sticker_items'] as List? ?? [], client.stickers.parseStickerItem),
+      stickers: snapshot.stickers,
       resolved: maybeParse(raw['resolved'], (Map<String, Object?> raw) => client.interactions.parseResolvedData(raw, guildId: guildId, channelId: channelId)),
       poll: maybeParse(raw['poll'], parsePoll),
       call: maybeParse(raw['call'], parseMessageCall),
@@ -406,6 +406,8 @@ class MessageManager extends Manager<Message> {
       // https://github.com/discord/discord-api-docs/issues/7193
       roleMentionIds: maybeParseMany(raw['mention_roles'] as List?, Snowflake.parse) ?? [],
       type: MessageType(raw['type'] as int),
+      stickers: parseMany(raw['sticker_items'] as List? ?? [], client.stickers.parseStickerItem),
+      components: maybeParseMany(raw['components'], parseMessageComponent),
     );
   }
 

lib/src/models/message/message.dart

@@ -181,10 +181,10 @@ class Message extends PartialMessage implements MessageSnapshot {
   /// The thread that was started from this message if any, `null` otherwise.
   final Thread? thread;
 
-  /// A list of components in this message.
+  @override
   final List<MessageComponent>? components;
 
-  /// List of sticker attached to message
+  @override
   final List<StickerItem> stickers;
 
   /// A generally increasing integer (there may be gaps or duplicates) that represents the approximate position of this message in a thread.
@@ -492,6 +492,12 @@ class MessageSnapshot with ToStringHelper {
   /// A list of roles mentioned in the message.
   final List<Snowflake> roleMentionIds;
 
+  /// A list of Stickers attached to this message.
+  final List<StickerItem> stickers;
+
+  /// A list of components in this message.
+  final List<MessageComponent>? components;
+
   /// @nodoc
   MessageSnapshot({
     required this.timestamp,
@@ -503,6 +509,8 @@ class MessageSnapshot with ToStringHelper {
     required this.flags,
     required this.mentions,
     required this.roleMentionIds,
+    required this.stickers,
+    required this.components,
   });
 }