enhanced: download progress

frontend/src/pages/Download.tsx

@@ -27,8 +27,8 @@ const Download = (props: { onFinish: () => void }) => {
         console.log(res)
       })
       EventsOn('download-progress', (progress: number) => {
-        setDownloadProgress(progress * 100)
-        if (progress === 1) {
+        setDownloadProgress(progress)
+        if (progress === 100) {
           props.onFinish()
           setTitle('Completed')
           setIsDisabled(false)