fix #1171 && Improve message recall handling and cleanup

Changed recallMsg to return the result of the event call. Added a 5-second cache cleanup for recall events in DeleteMsg. Removed an unnecessary blank line in plugin.ts.

src/core/apis/msg.ts

@@ -191,7 +191,7 @@ export class NTQQMsgApi {
     }
 
     async recallMsg(peer: Peer, msgId: string) {
-        await this.core.eventWrapper.callNormalEventV2(
+        return await this.core.eventWrapper.callNormalEventV2(
             'NodeIKernelMsgService/recallMsg',
             'NodeIKernelMsgListener/onMsgInfoListUpdate',
             [peer, [msgId]],

src/onebot/action/msg/DeleteMsg.ts

@@ -16,6 +16,9 @@ class DeleteMsg extends OneBotAction<Payload, void> {
     async _handle(payload: Payload) {
         const msg = MessageUnique.getMsgIdAndPeerByShortId(Number(payload.message_id));
         if (msg) {
+            this.obContext.recallEventCache.set(msg.MsgId, setTimeout(() => {
+                this.obContext.recallEventCache.delete(msg.MsgId);
+            }, 5000));
             await this.core.apis.MsgApi.recallMsg(msg.Peer, msg.MsgId);
         } else {
             throw new Error('Recall failed');

src/onebot/network/plugin.ts

@@ -5,7 +5,6 @@ import { PluginConfig } from '../config/config';
 import { plugin_onmessage } from '@/plugin';
 import { ActionMap } from '../action';
 import { IOB11NetworkAdapter } from '@/onebot/network/adapter';
-
 export class OB11PluginAdapter extends IOB11NetworkAdapter<PluginConfig> {
     constructor(
         name: string, core: NapCatCore, obContext: NapCatOneBot11Adapter, actions: ActionMap