async fn read_file_in_chunks(
sender: &IpcSender<FileManagerResult<ReadFileProgress>>,
file: File,
size: usize,
opt_filename: Option<String>,
type_string: String,
)async fn read_file_in_chunks(
sender: &IpcSender<FileManagerResult<ReadFileProgress>>,
file: File,
size: usize,
opt_filename: Option<String>,
type_string: String,
)