Introduce fixes v1

[awharn]

What It Does
Implements #990 in V1 LTS

How to Test
N/A

Review Checklist
I certify that I have:

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

Additional Comments

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (b8e431f) 82.85% compared to head (3452403) 82.86%.

Additional details and impacted files

@@             Coverage Diff              @@
##           zowe-v1-lts     #991   +/-   ##
============================================
  Coverage        82.85%   82.86%           
============================================
  Files              163      163           
  Lines             7952     7956    +4     
  Branches          1461     1463    +2     
============================================
+ Hits              6589     6593    +4     
  Misses            1359     1359           
  Partials             4        4           

Impacted Files	Coverage Δ
packages/imperative/src/DefinitionTreeResolver.ts	95.74% <100.00%> (+0.39%)	⬆️

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

100.0% Coverage
0.0% Duplication

[github-actions]

Release succeeded for the zowe-v1-lts branch. 🎉

The following packages have been published:

• npm: @zowe/imperative@4.18.16

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