Add Storybook stories for ClearLocalData, SectionErrorBoundary, Analy…

[edwardfavour998-code]

…ticsCharts, and NotificationPreferencesSettings

Closes #1055
Closes #1056
Closes #1057
Closes #1058

• Add components/settings/clear-local-data.stories.tsx with default and confirmation step stories
• Add components/error-boundary/section-error-boundary.stories.tsx with normal child and error throwing child stories
• Add components/analytics/charts.stories.tsx with populated data, single token, empty data, and loading skeleton stories
• Add components/notifications/notification-preferences.stories.tsx with all enabled, all disabled, and partially enabled stories
• Mock all hooks and dependencies to render without wallet connection

---

name: Pull request
about: Describe a focused change and how it was verified
title: 'feat: '
labels: enhancement

Issue

Closes #

Summary

Describe the user or maintainer-facing change.

Changes

Test plan

• I added or updated automated tests.
• I ran the relevant test suite.
• I checked the change in the affected environment.

Checklist

• The change is scoped to the linked issue.
• Documentation and configuration were updated where needed.
• No secrets, private keys, or wallet credentials are included.

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