feat: remove getCurrentWindowId IPC event and related functionality for cleaner API

global.d.ts

@@ -14,11 +14,6 @@ declare global {
       params: [window: number]
       return: {success: boolean, error?: string}
     }
-    [IPC_EVENTS.GET_WINDOW_ID]: {
-      params: []
-      return: number
-    }
-
     // 异步通信
     [IPC_EVENTS.FILE_READ]: {
       params: [filePath: string]
@@ -138,7 +133,6 @@ declare global {
     invokeAsync<T extends keyof IPCTypings>(channel: T, ...args: IPCTypings[T]['params']): IPCTypings[T]['return'],
     on<T extends keyof IPCTypings>(channel: T, callback: (...args: IPCTypings[T]['params']) => void): () => void
     send<T extends keyof IPCTypings>(channel: T, ...args: IPCTypings[T]['params']): void,
-    getCurrentWindowId(): number,
     versions: NodeJS.ProcessVersions,
     external: {
       open: (url: string) => Promise<void>