feat: remove messageCreateEventGuildTimeout & change UA default

src/client/Client.js

@@ -677,9 +677,6 @@ class Client extends BaseClient {
     if (!Array.isArray(options.partials)) {
       throw new TypeError('CLIENT_INVALID_OPTION', 'partials', 'an Array');
     }
-    if (typeof options.messageCreateEventGuildTimeout !== 'number' || isNaN(options.messageCreateEventGuildTimeout)) {
-      throw new TypeError('CLIENT_INVALID_OPTION', 'messageCreateEventGuildTimeout', 'a number');
-    }
     if (typeof options.DMChannelVoiceStatusSync !== 'number' || isNaN(options.DMChannelVoiceStatusSync)) {
       throw new TypeError('CLIENT_INVALID_OPTION', 'DMChannelVoiceStatusSync', 'a number');
     }

src/client/websocket/handlers/READY.js

@@ -38,23 +38,27 @@ module.exports = (client, { d: data }, shard) => {
   // ClientSetting
   client.settings._patch(data.user_settings);
 
+  if (largeGuilds.length) {
+    client.ws.broadcast({
+      op: Opcodes.GUILD_SUBSCRIPTIONS_BULK,
+      d: {
+        subscriptions: largeGuilds.reduce((accumulator, guild) => {
+          accumulator[guild.id] = {
+            typing: true,
+            threads: true,
+            activities: true,
+            member_updates: true,
+            thread_member_lists: [],
+            members: [],
+            channels: {},
+          };
+          return accumulator;
+        }, {}),
+      },
+    });
+  }
+
   Promise.all(
-    largeGuilds.map(async (guild, index) => {
-      client.ws.broadcast({
-        op: Opcodes.GUILD_SUBSCRIPTIONS,
-        d: {
-          guild_id: guild.id,
-          typing: true,
-          threads: true,
-          activities: true,
-          thread_member_lists: [],
-          members: [],
-          channels: {},
-        },
-      });
-      client.emit('debug', `[READY] Register guild ${guild.id}`);
-      await client.sleep(client.options.messageCreateEventGuildTimeout * index);
-    }),
     data.private_channels.map(async (c, index) => {
       if (client.options.DMChannelVoiceStatusSync < 1) return;
       client.ws.broadcast({