fix list spool file hang problem.

[tiantn]

What It Does

How to Test

Review Checklist I certify that I have:

• [x] tested my changes
• [] added/updated automated tests
• [x] updated the changelog
• [ ] followed the contribution guidelines

Additional Comments

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## next #159 +/- ## ======================================= Coverage ? 73.49% ======================================= Files ? 77 Lines ? 981 Branches ? 128 ======================================= Hits ? 721 Misses ? 240 Partials ? 20 ```

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[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

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[tiantn]

This looks similar to the following PR:

* [Fix issue #156 to return proper message for active job #157](https://github.com/zowe/zowe-cli-ftp-plugin/pull/157)

Thanks for porting and enhancing the functionality and error message.

Curious if we can link the same issue on the changelog (issue number #156)

Hi @zFernand0, I think it fixed the issue #158 😊

[tiantn]

Hi @zFernand0 , @traeok , @std4lqi , thank you for your review and good suggestions. I updated the code to check the files length as well. And also update unit test for no spool file scenario to improve test cover rate. Thank you!

[zFernand0]

Merging without DCO check. See below issue for details 😋

• https://github.com/dcoapp/app/issues/211

Kudos to @traeok

[github-actions[bot]]

Release succeeded for the next branch. :tada:

The following packages have been published:

• npm: @zowe/zos-ftp-for-zowe-cli@3.0.0-next.202406041826

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