feat: add CreateResource to kubectl (#12174 and #4116)

[reggie-k]

Also, added a separated implementation for mock resource operations - it used to be in kubectl mock.

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: -0.25 :warning:

Comparison is base (ed70eac) 55.75% compared to head (9601b03) 55.51%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #516 +/- ## ========================================== - Coverage 55.75% 55.51% -0.25% ========================================== Files 41 41 Lines 4525 4545 +20 ========================================== Hits 2523 2523 - Misses 1808 1828 +20 Partials 194 194 ``` | [Impacted Files](https://codecov.io/gh/argoproj/gitops-engine/pull/516?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=argoproj) | Coverage Δ | | |---|---|---| | [pkg/utils/kube/ctl.go](https://codecov.io/gh/argoproj/gitops-engine/pull/516?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=argoproj#diff-cGtnL3V0aWxzL2t1YmUvY3RsLmdv) | `6.58% <0.00%> (-0.60%)` | :arrow_down: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=argoproj). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=argoproj)

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