Mahdiyeh/ Hotfix:remove plus symbol

[mahdiyeh-deriv]

Changes:

Please include a summary of the change and which issue is fixed below:

• Remove plus symbol from DMT5 balance

When you need to add unit test

• If this change disrupt current flow
• If this change is adding new flow

When you need to add integration test

• If components from external libraries are being used to define the flow, e.g. @deriv/components
• If it relies on a very specific set of props with no default behavior for the current component.

Test coverage checklist (for reviewer)

• Ensure utility / function has a test case
• Ensure all the tests are passing

Type of change

• Bug fix
• New feature
• Update feature
• Refactor code
• Translation to code
• Translation to crowdin
• Script configuration
• Improve performance
• Style only
• Dependency update
• Documentation update
• Release

[vercel]

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To see the status of your deployment, click below or on the icon next to each commit.

🔍 Inspect: https://vercel.com/deriv/deriv-app/Y8SjcqVk1ePRXcqPr7uFAuPEJEqC
✅ Preview: https://deriv-app-git-fork-mahdiyeh-fs-removeplussymbol.binary.sx

[github-actions]

A production App ID was automatically generated for this PR. (log)

• PR: Mahdiyeh/ Hotfix:remove plus symbol #4808
• URLs:
  • w/ App ID + Server: https://deriv-app-git-fork-mahdiyeh-fs-removeplussymbol.binary.sx?qa_server=frontend.binaryws.com&app_id=23837
  • Original: https://deriv-app-git-fork-mahdiyeh-fs-removeplussymbol.binary.sx
• App ID: 23837

Click here to copy & paste above information.

- **PR**: [https://github.com/binary-com/deriv-app/pull/4808](https://github.com/binary-com/deriv-app/pull/4808)
- **URLs**:
    - **w/ App ID + Server**: https://deriv-app-git-fork-mahdiyeh-fs-removeplussymbol.binary.sx?qa_server=frontend.binaryws.com&app_id=23837
    - **Original**: https://deriv-app-git-fork-mahdiyeh-fs-removeplussymbol.binary.sx
- **App ID**: `23837`

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

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1.5% Duplication