fix: Crash due to ethers receiving null value.

[mprasanjith]

Description

Fixes the app crashing with a white screen due to Ethers getting a null value.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Tested locally.

Checklist:

• My code follows the existing style of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any UI changes have been tested and made responsive for mobile views

[github-actions]

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[github-actions]

✔️ Storybook deployment is ready!

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[Filipv95]

@rossneilson this PR fixes #328 if I'm not wrong?