Removed duplicate CICSplexes so they don't appear in the tree

[enamkhan]

Filter duplicate cicsplexes so that these do not appear in the tree.

How to Test
Have added unit tests for the compare function,

Review Checklist
I certify that I have:

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

Additional Comments
This is for defect #227.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 72.72727% with 3 lines in your changes missing coverage. Please review.

Project coverage is 40.12%. Comparing base (d1fcf79) to head (f0ab9cd).

Files with missing lines	Patch %	Lines
packages/vsce/src/utils/profileManagement.ts	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #228      +/-   ##
==========================================
+ Coverage   40.04%   40.12%   +0.07%     
==========================================
  Files         148      149       +1     
  Lines        5072     5082      +10     
  Branches      847      848       +1     
==========================================
+ Hits         2031     2039       +8     
- Misses       3041     3043       +2     

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[AndrewTwydell]

Much better!! Very much appreciated.

Couple comments, mainly around typing, then we're good to go!

[AndrewTwydell]

Great, thanks Enam.

This has been tested against real systems facing this issue to see it in action.

[AndrewTwydell]

Just for future reference, this is temporary and will be replaced by an SDK interface.

[github-actions]

Release succeeded for the main branch. 🎉

The following packages have been published:

• npm: @zowe/[email protected]
• npm: @zowe/[email protected]
• vsce: [email protected]
• vsce: [email protected] (OVSX)

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