Worker count pointer dereference fix

[pokearu]

Description of changes:
The workerNodeGroupConfiguration.Count was made an Integer pointer #3624. Adding a fix for places where the pointer was not dereferenced when the value needed to be compared.

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[codecov]

Codecov Report

Merging #3852 (1215cf0) into main (fffb8c5) will increase coverage by 0.08%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #3852      +/-   ##
==========================================
+ Coverage   67.40%   67.48%   +0.08%     
==========================================
  Files         376      376              
  Lines       30938    30938              
==========================================
+ Hits        20853    20880      +27     
+ Misses       8705     8673      -32     
- Partials     1380     1385       +5     

Impacted Files	Coverage Δ
pkg/providers/nutanix/template.go	88.80% <100.00%> (ø)
pkg/providers/tinkerbell/assert.go	55.73% <100.00%> (+6.96%)	⬆️
pkg/providers/tinkerbell/upgrade.go	10.08% <100.00%> (+4.20%)	⬆️

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[abhay-krishna]

/approve

[eks-distro-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: abhay-krishna

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• OWNERS [abhay-krishna]

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[pokearu]

/cherrypick release-0.12

[eks-distro-pr-bot]

@pokearu: #3852 failed to apply on top of branch "release-0.12":

Applying: Fixing worker node group count dereference error for tinkerbell
Using index info to reconstruct a base tree...
M	pkg/providers/tinkerbell/tinkerbell_test.go
Falling back to patching base and 3-way merge...
Auto-merging pkg/providers/tinkerbell/tinkerbell_test.go
CONFLICT (content): Merge conflict in pkg/providers/tinkerbell/tinkerbell_test.go
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 Fixing worker node group count dereference error for tinkerbell
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherrypick release-0.12

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