[release-1.9] fix AuthorizedIPRanges disable -> enable bug

[nawazkh]

What type of PR is this?
/kind bug

What this PR does / why we need it:

• Cherrypick of 7d98805
• Also copies over //nolint:gocyclo to the Parameters() function from main since [release-1.10] fix AuthorizedIPRanges disable -> enable bug #3800 was erroring out on go-cyclomexic complexity (A lot of nil checks).

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):

Special notes for your reviewer:

• cherry-pick candidate

TODOs:

• squashed commits
• includes documentation
• adds unit tests

Release note:

authorized IP ranges will be set to []string then to nil upon deletion

[k8s-ci-robot]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.05% 🎉

Comparison is base (4ed93b9) 52.90% compared to head (3aa1bb3) 52.95%.
Report is 1 commits behind head on release-1.9.

❗ Current head 3aa1bb3 differs from pull request most recent head 43ae4cb. Consider uploading reports for the commit 43ae4cb to get more accurate results

Additional details and impacted files

@@               Coverage Diff               @@
##           release-1.9    #3807      +/-   ##
===============================================
+ Coverage        52.90%   52.95%   +0.05%     
===============================================
  Files              182      182              
  Lines            18250    18264      +14     
===============================================
+ Hits              9655     9672      +17     
+ Misses            8055     8053       -2     
+ Partials           540      539       -1     

Files Changed	Coverage Δ
azure/services/managedclusters/spec.go	45.15% <100.00%> (+3.37%)	⬆️

☔ View full report in Codecov by Sentry.
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[nawazkh]

I will squash the commits once lgtm-ed.

[CecileRobertMichon]

/lgtm

/hold for squash

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: fae36b8419d0df55534549aeace89bfddff9fc27

[Jont828]

/lgtm

[nawazkh]

Squashed :)
Unholding for final review :)

/unhold

[mboersma]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mboersma

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