fix: suppress emoji in minikube addons list when MINIKUBE_IN_STYLE=false

[Copilot]

MINIKUBE_IN_STYLE=false did not suppress the ✅ emoji in minikube addons list because iconFromStatus hardcoded the emoji without consulting the style setting.

Changes

• pkg/minikube/out/out.go: Add exported IsStyleEnabled() to expose the internal useColor state (already driven by MINIKUBE_IN_STYLE)
• cmd/minikube/cmd/config/addons_list.go: Gate the ✅ emoji in iconFromStatus behind out.IsStyleEnabled()

Before (MINIKUBE_IN_STYLE=false):

│ default-storageclass  │ minikube │ enabled ✅ │ Kubernetes │

After (MINIKUBE_IN_STYLE=false):

│ default-storageclass  │ minikube │ enabled    │ Kubernetes │

[k8s-ci-robot]

Hi @Copilot. Thanks for your PR.

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[minikube-bot]

Can one of the admins verify this patch?

[k8s-ci-robot]

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