feat: use kui's editor for kubectl edit

[starpit]

Fixes #762

Description of what you did:

My PR is a:

• 💥 Breaking change
• 🐛 Bug fix
• 💅 Enhancement
• 🚀 New feature

Please confirm that your PR fulfills these requirements

• Multiple commits are squashed into one commit.
• The commit message follows Conventional Commits, which allows us to autogenerate release notes; e.g. fix(plugins/plugin-k8s): fixed annoying bugs
• All npm dependencies are pinned.

[codecov]

Codecov Report

Merging #4388 into master will increase coverage by 0.08%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4388      +/-   ##
==========================================
+ Coverage   58.81%   58.89%   +0.08%     
==========================================
  Files          75       75              
  Lines        2411     2411              
  Branches      582      582              
==========================================
+ Hits         1418     1420       +2     
+ Misses        767      763       -4     
- Partials      226      228       +2     

Impacted Files	Coverage Δ
packages/core/src/core/command-tree.ts	70.43% <0.00%> (+0.86%)	⬆️

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