fix：图片裁剪时优先原格式

packages/amis/src/renderers/Form/InputImage.tsx

@@ -1107,6 +1107,7 @@ export default class ImageControl extends React.Component<
 
   handleCrop() {
     const {cropFormat, cropQuality} = this.props;
+    const originFormat = this.state.cropFile?.type || 'image/png';
     this.cropper.getCroppedCanvas().toBlob(
       (file: File) => {
         this.addFiles([file]);
@@ -1116,7 +1117,7 @@ export default class ImageControl extends React.Component<
           lockedReason: ''
         });
       },
-      cropFormat || 'image/png',
+      cropFormat || originFormat,
       cropQuality || 1
     );
   }