[1.28] fix typo, use rancher/permissions

[HarrisonWAffel]

Proposed Changes

Fixes a typo in config.go and removes the windows specific ACL logic in favor of the rancher/permissions library. The logic in acl/acl_windows.go was taken directly from rancher/permissions, so there is no functional difference, this is simply addressing tech debt.

Types of Changes

Bugfix

Verification

Create a Windows cluster and ensure the proper ACL is set

Testing

Linked Issues

User-Facing Change

NONE

Further Comments

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 36.36%. Comparing base (7de7adb) to head (7b44c91).
Report is 3 commits behind head on release-1.28.

Files	Patch %	Lines
pkg/agent/config/config.go	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##           release-1.28   #10299      +/-   ##
================================================
- Coverage         42.68%   36.36%   -6.33%     
================================================
  Files               163      160       -3     
  Lines             16632    14051    -2581     
================================================
- Hits               7099     5109    -1990     
+ Misses             8274     7948     -326     
+ Partials           1259      994     -265     

Flag	Coverage Δ
e2etests	36.36% <0.00%> (-9.56%)	⬇️
unittests	?

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