Replace `object IgnoredPacket` with `inline class IgnoredPacket` to identify each packet

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/network/protocol/tim/packet/Packet.kt

@@ -9,7 +9,10 @@ import net.mamoe.mirai.utils.io.toUHexString
  */
 interface Packet
 
-object IgnoredPacket : Packet
+/**
+ * 被忽略的数据包.
+ */
+inline class IgnoredPacket(val id: PacketId) : Packet
 
 /**
  * 未知的包.

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/network/protocol/tim/packet/PacketFactory.kt

@@ -90,5 +90,5 @@ object IgnoredPacketFactory : SessionPacketFactory<IgnoredPacket>() {
     override suspend fun BotNetworkHandler<*>.handlePacket(packet: IgnoredPacket) {
     }
 
-    override suspend fun ByteReadPacket.decode(id: PacketId, sequenceId: UShort, handler: BotNetworkHandler<*>): IgnoredPacket = IgnoredPacket
+    override suspend fun ByteReadPacket.decode(id: PacketId, sequenceId: UShort, handler: BotNetworkHandler<*>): IgnoredPacket = IgnoredPacket(id)
 }
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mirai-core/src/commonMain/kotlin/net.mamoe.mirai/network/protocol/tim/packet/event/EventPacket.kt

@@ -3,4 +3,9 @@ package net.mamoe.mirai.network.protocol.tim.packet.event
 import net.mamoe.mirai.event.Subscribable
 import net.mamoe.mirai.network.protocol.tim.packet.Packet
 
+/**
+ * 事件包. 可被监听.
+ *
+ * @see Subscribable
+ */
 interface EventPacket : Subscribable, Packet
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