fix: Avoid data-loss when creating new members

[zFernand0]

Proposed changes

• Resolves tree(ds): Creating a new member with a conflicting name may cause data-loss #3327

Release Notes

Milestone: 3.1.1

Changelog: Prevented data-loss when creating a new member called something that already exists.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• Enhancement (non-breaking change which adds or improves functionality)
• Breaking change (a change that would cause existing functionality to not work as expected)
• Documentation (Markdown, README updates)
• Other (please specify above in "Proposed changes" section)

Checklist

General

• I have read the CONTRIBUTOR GUIDANCE wiki
• All PR dependencies have been merged and published (if applicable)
• A GIF or screenshot is included in the PR for visual changes
• The pre-publish command has been executed:
  • v2 and below: yarn workspace vscode-extension-for-zowe vscode:prepublish
  • v3: pnpm --filter vscode-extension-for-zowe vscode:prepublish

Code coverage

• There is coverage for the code that I have added
• I have added new test cases and they are passing
• I have manually tested the changes

Deployment

• I have added developer documentation (if applicable)
• Documentation should be added to Zowe Docs
  • If you're an outside contributor, please post in the #zowe-doc Slack channel to coordinate documentation.
  • Otherwise, please check with the rest of the squad about any needed documentation before merging.
• These changes may need ported to the appropriate branches (list here):

Further comments

[github-actions]

📅 Suggested merge-by date: 1/27/2025

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.18%. Comparing base (baade3a) to head (ca2d52b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #3392    +/-   ##
========================================
  Coverage   93.18%   93.18%            
========================================
  Files         120      120            
  Lines       12486    12490     +4     
  Branches     2715     2837   +122     
========================================
+ Hits        11635    11639     +4     
  Misses        850      850            
  Partials        1        1            

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[traeok]

Thanks for working on this Fernando! I tested this and its working as expected. I had a question about a set of line comments, but aside from that everything LGTM.

[t1m0thyj]

LGTM, thanks @zFernand0!

[JillieBeanSim]

Thanks @zFernand0 let us know in slack when the cherry-pick PR is ready so we can get it included in our 3.1.0 testing 😄