@uppy/status-bar: fix double upload progress

[mifi]

fixes #5585

[github-actions]

Diff output files

diff --git a/packages/@uppy/status-bar/lib/StatusBar.js b/packages/@uppy/status-bar/lib/StatusBar.js
index 0bb3eb7..96bf889 100644
--- a/packages/@uppy/status-bar/lib/StatusBar.js
+++ b/packages/@uppy/status-bar/lib/StatusBar.js
@@ -150,10 +150,11 @@ export default class StatusBar extends UIPlugin {
         totalSize += file.progress.bytesTotal || 0;
         totalUploadedSize += file.progress.bytesUploaded || 0;
       });
+    } else {
+      startedFiles.forEach(file => {
+        totalUploadedSize += file.progress.bytesUploaded || 0;
+      });
     }
-    startedFiles.forEach(file => {
-      totalUploadedSize += file.progress.bytesUploaded || 0;
-    });
     const totalETA = _classPrivateFieldLooseBase(this, _computeSmoothETA)[_computeSmoothETA]({
       uploaded: totalUploadedSize,
       total: totalSize,