fix: improve community restore loading state

[ssongliu]

No description provided.

[Copilot]

Pull request overview

This PR updates the Enterprise license-required page to present a dedicated “community restore in progress” overlay (instead of Element Plus’ fullscreen v-loading) and adjusts the restore-status loading flow to start earlier during mount.

Changes:

• Replaced the previous fullscreen v-loading restore state with a custom, animated restore overlay and transition.
• Introduced a local restoring ref initialized from isOnRestart and updated the mounting flow to prioritize restore detection/polling.
• Added new scoped SCSS for the restore overlay and removed now-unused loading-mask theme variable styling.

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[Copilot]

Pull request overview

Copilot reviewed 1 out of 1 changed files in this pull request and generated no new comments.

Suppressed comments (1)

frontend/src/views/setting/license-required/index.vue:151

• restoring is initialized from isOnRestart.value and then manually kept in sync in multiple places (e.g., isOnRestart.value = restoring.value). This introduces two sources of truth and risks state divergence if either is updated independently. Consider making restoring a writable computed that directly proxies isOnRestart so the store remains the single source of truth.

const restoring = ref(isOnRestart.value);