[Bug] User is able to click on the download seg button without drawing segments in the viewport

[Devu-trenser]

Describe the Bug

The user is able to click on the DICOM SEG download button even if the segment has not been drawn in the viewport.

3.10-OSS-Seg-Download-issue.mp4

Steps to Reproduce

1. Launch the study in Segmentation mode
2. Add segmentation
3. Add Segments without drawing it in the viewport.
4. Click on the icon-more
5. Click on the DICOM SEG download options from the Download & Export options

The current behavior

"Something went wrongfalse." popup is appearing when downloading seg without drawing segment in the viewport and unable to download seg file

The expected behavior

User should be able to download seg file or prevent the user from downloading the segmentation when no segments have been drawn and "Something went wrongfalse." popup should not appears.

OS

Linux x86_64

Node version

18.20.5

Browser

Chrome 134.0.0