update saveStreamToDisk Api type and usage

src/services/exportService.ts

@@ -483,16 +483,16 @@ class ExportService {
             motionPhoto.videoNameTitle,
             file.id
         );
-        this.saveMediaFile(collectionPath, videoSaveName, videoStream);
+        await this.saveMediaFile(collectionPath, videoSaveName, videoStream);
         await this.saveMetadataFile(collectionPath, videoSaveName, file);
     }
 
-    private saveMediaFile(
+    private async saveMediaFile(
         collectionFolderPath: string,
         fileSaveName: string,
         fileStream: ReadableStream<any>
     ) {
-        this.electronAPIs.saveStreamToDisk(
+        await this.electronAPIs.saveStreamToDisk(
             getFileSavePath(collectionFolderPath, fileSaveName),
             fileStream
         );

src/types/electron/index.ts

@@ -13,7 +13,10 @@ export interface ElectronAPIs {
         oldDirPath: string,
         newDirPath: string
     ) => Promise<void>;
-    saveStreamToDisk: (path: string, fileStream: ReadableStream<any>) => void;
+    saveStreamToDisk: (
+        path: string,
+        fileStream: ReadableStream<any>
+    ) => Promise<void>;
     saveFileToDisk: (path: string, file: any) => Promise<void>;
     selectRootDirectory: () => Promise<string>;
     sendNotification: (content: string) => void;