fix: fixed display issue on close position

[jijicodes]

Description and Motivation

Fixed display issue when the user closes their position on the manage liquidity page.
The issue was causing the entire page to crash.

Related Issues

Resolves #490

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Checklist:

• I have read Migaloo's contribution guidelines.
• My pull request has a sound title and description (not something vague like Update index.md)
• All existing and new tests are passing.
• I updated/added relevant documentation.
• The code is formatted properly yarn lint.
• The project builds and is able to deploy on Netlify yarn build.

[netlify]

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Lighthouse	1 paths audited Performance: 25 (🔴 down 1 from production) Accessibility: 95 (no change from production) Best Practices: 83 (🔴 down 9 from production) SEO: 83 (no change from production) PWA: - View the detailed breakdown and full score reports

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