Use for-of instead of forEach (#3583)

Co-authored-by: syuilo <syuilotan@yahoo.co.jp>
Co-authored-by: Acid Chicken (硫酸鶏) <root@acid-chicken.com>

src/client/app/desktop/views/components/drive.folder.vue

@@ -120,9 +120,9 @@ export default Vue.extend({
 
 			// ファイルだったら
 			if (e.dataTransfer.files.length > 0) {
-				Array.from(e.dataTransfer.files).forEach(file => {
+				for (const file of Array.from(e.dataTransfer.files)) {
 					this.browser.upload(file, this.folder);
-				});
+				}
 				return;
 			}