fix: minimal input must be string

[vinnyhoward]

Description

WIP

Related issues

Fixes: #9077

Manual testing steps

1. Go to the Send flow
2. Select an address to send to.
3. Select a token (Select a non Ethereum token)
4. Tap the MAX button
5. Verify that no errors occur and the maximum amount is correctly displayed

Screenshots/Recordings

NA

Before

NA

After

NA

Pre-merge author checklist

• [x] I’ve followed MetaMask Contributor Docs and MetaMask Mobile Coding Standards.
• [x] I've completed the PR template to the best of my ability
• [ ] I’ve included tests if applicable
• [ ] I’ve documented my code using JSDoc format if applicable
• [x] I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• [x] I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• [ ] I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions[bot]]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[github-actions[bot]]

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 52.83%. Comparing base (8dcdd3c) to head (16adeec). Report is 33 commits behind head on main.

Files with missing lines	Patch %	Lines
.../UI/Ramp/Views/SendTransaction/SendTransaction.tsx	0.00%	0 Missing and 1 partial :warning:
...nents/Views/confirmations/SendFlow/Amount/index.js	0.00%	1 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10842      +/-   ##
==========================================
+ Coverage   52.75%   52.83%   +0.07%     
==========================================
  Files        1534     1542       +8     
  Lines       36777    36887     +110     
  Branches     4335     4361      +26     
==========================================
+ Hits        19403    19488      +85     
- Misses      16058    16071      +13     
- Partials     1316     1328      +12     

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[github-actions[bot]]

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[github-actions[bot]]

Bitrise

❌❌❌ pr_smoke_e2e_pipeline failed on Bitrise! ❌❌❌

Commit hash: 8fa917532e2f21aab8387f02cdbe9475f4b1cf7b Build link: https://app.bitrise.io/app/be69d4368ee7e86d/pipelines/cad85517-75b3-44db-9d51-c598a69b8b4b

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[github-actions[bot]]

Bitrise

✅✅✅ pr_smoke_e2e_pipeline passed on Bitrise! ✅✅✅

Commit hash: 3ae5fbbcfdb700d43b6399bba0bc6e8ec4d83008 Build link: https://app.bitrise.io/app/be69d4368ee7e86d/pipelines/6231978a-758b-4836-b1d6-99be5c31e511

[!NOTE]

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[sonarqubecloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud