🐛 Fix missing isRefreshing in NamespaceRBAC card

[clubanderson]

Summary

• Destructure isRefreshing from all data hooks (useClusters, useCachedNamespaces, useCachedK8sRoles, useCachedK8sRoleBindings, useCachedK8sServiceAccounts)
• Combine all isRefreshing values and pass to useCardLoadingState so CardWrapper can show refresh animation
• Add RefreshIndicator component to the card header for visual refresh feedback

Fixes #4003

Test plan

• Verify the NamespaceRBAC card shows the refresh spinner when data hooks are re-fetching
• Verify the CardWrapper receives isRefreshing and triggers its refresh border animation
• Verify no regressions in skeleton/empty state behavior
• Build passes (npm run build)

[kubestellar-prow]

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[github-actions]

👋 Hey @clubanderson — thanks for opening this PR!

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[Copilot]

Pull request overview

This PR updates the NamespaceRBAC card to properly surface background refresh activity from its data hooks, enabling the CardWrapper refresh animation and adding an in-header refresh indicator.

Changes:

• Destructures isRefreshing from useClusters and the cached RBAC-related hooks.
• Combines refresh states and passes isRefreshing into useCardLoadingState for CardWrapper refresh styling.
• Adds a RefreshIndicator in the card header to visually indicate background updates.

[Copilot]

RefreshIndicator is rendered without lastUpdated, so when not refreshing it will display the default "pending" label and "Not yet updated" tooltip/aria-label indefinitely. Consider deriving a lastUpdated value from the hooks’ lastRefresh/lastUpdated (e.g., max timestamp across clusters/namespaces/roles/bindings/SAs) and pass it in, or set showLabel={false} if you only want the spinner without the status text.

Suggested change

	size="sm"
	size="sm"
	showLabel={false}

[github-actions]

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[clubanderson]

🔄 Auto-Applying Copilot Code Review

Copilot code review found 1 code suggestion(s) and 0 general comment(s).

@copilot Please apply all of the following code review suggestions:

• web/src/components/cards/NamespaceRBAC.tsx (line 224): size="sm" showLabel={false}

Push all fixes in a single commit. Run cd web && npm run build && npm run lint before committing.

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