fix: Fix duplicate Calendar import in CustomerDashboard

[sanikayadav2024]

Description

The file CustomerDashboard.jsx has number of errors stopping the application from running , as it givig so many logs on page after starting application. This PR fixes all errors in the jsx page which blocking the application run. Closes #380

Changes Made

• Fixed the reported issue.
• Updated the code.
• Ensured consistency of code.
• Removed duplicate code statements causing errors.

Type of Change

• Bug Fix
• New Feature
• Documentation Update
• Refactoring

Screenshots

Before fixing bugs application is not running on browser and throeing these errors

After Bug Fixing : Application run as Expected

Testing

• Tested locally in the development environment.
• Verified that the issue is resolved.
• Confirmed that no existing functionality was affected.

Additional informathion

This contribution is under GSSoC'26

[vercel]

@sanikayadav2024 is attempting to deploy a commit to the anubhav12302387's projects Team on Vercel.

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[github-actions]

❌ PR Format Check — Failed — Please Fix Below

Hi @sanikayadav2024! Please fix the issues below before your PR can proceed to mentor review.

❌ Must Fix Before Proceeding

❌ Issue #380 is not assigned to you (@sanikayadav2024) — You must be assigned to the issue before submitting a PR.

Comment /assign on Issue #380 or ask a maintainer to assign it to you.

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[github-actions]

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