Merge pull request #31768 from situchan/fix-31763

fix android file upload issue

(cherry picked from commit 5fb1e05)

src/libs/fileDownload/FileUtils.ts

@@ -165,7 +165,7 @@ const readFileAsync: ReadFileAsync = (path, fileName, onSuccess, onFailure = ()
                 }
                 res.blob()
                     .then((blob) => {
-                        const file = new File([blob], cleanFileName(fileName));
+                        const file = new File([blob], cleanFileName(fileName), {type: blob.type});
                         file.source = path;
                         // For some reason, the File object on iOS does not have a uri property
                         // so images aren't uploaded correctly to the backend