fix: 修复当emit消息时，meta参数约束不是可选导致提示类型错误

Author: zhangfisher

packages/native/src/__tests__/types/meta.types.test.ts

@@ -17,6 +17,29 @@ describe("FastEvent元数据类型检查", () => {
         b: string
         c: boolean
     }
+    test("未指定元数据类型", () => {
+        const emitter = new FastEvent()
+        type cases = [
+            Expect<Equal<typeof emitter.options.meta, Record<string, any>>>
+        ]
+        emitter.on("x", (message) => {
+            type cases = [
+                Expect<Equal<typeof message.meta, FastEventMeta & Record<string, any>>>
+            ]
+        })
+        emitter.once("x", (message) => {
+            type cases = [
+                Expect<Equal<typeof message.meta, FastEventMeta & Record<string, any>>>
+            ]
+        })
+
+        emitter.onAny((message) => {
+            type cases = [
+                Expect<Equal<typeof message.meta, FastEventMeta & Record<string, any>>>
+            ]
+        })
+    })
+
     test("全局元数据类型", () => {
         const emitter = new FastEvent<CustomEvents, CustomMeta>()
         type cases = [

packages/native/src/types.ts

@@ -32,7 +32,7 @@ export type FastEventEmitMessage<
         [K in keyof Events]: {
             type: Exclude<K, number | symbol>
             payload?: Events[K]
-            meta?: Partial<FastEventMeta> & M & Record<string, any>
+            meta?: DeepPartial<FastEventMeta & M & Record<string, any>>
         }
     }[Exclude<keyof Events, number | symbol>]
 ) & FaseEventMessageExtends
@@ -162,7 +162,7 @@ export type FastEventListenOptions<
 
 export type FastEventListenerArgs<M = Record<string, any>> = {
     retain?: boolean;
-    meta?: Partial<M> & Record<string, any>;
+    meta?: DeepPartial<M> & Record<string, any>;
     abortSignal?: AbortSignal;               // 用于传递给监听器函数
     /**
      *