fix: fix upload when directory and draggable add wrong list (#841)

packages/semi-foundation/upload/foundation.ts

@@ -773,6 +773,7 @@ class UploadFoundation<P = Record<string, any>, S = Record<string, any>> extends
         if (!disabled) {
             if (directory) {
                 this.handleDirectoryDrop(e);
+                return;
             }
             const files: File[] = Array.from(e.dataTransfer.files);
             this.handleChange(files);

packages/semi-ui/upload/_story/upload.stories.js

@@ -581,6 +581,7 @@ export const Draggable = () => (
     <Upload
       {...commonProps}
       style={{ marginTop: 10, height: 300 }}
+      // directory 
       draggable={true}
       dragMainText={'点击上传文件或拖拽文件到这里'}
     ></Upload>