fix: relax network symbol length validation

[bergeron]

Description

When adding a network with wallet_addEthereumChain, MetaMask was requiring the chain's symbol to be minimum of 2 characters. But there are networks with single character symbols.

Related issues

• Equivalent PR on extension: fix: relax network symbol length validation metamask-extension#24872
• [Bug]: Not allowed to add a new network where the symbol (ticker) consists of one letter #11217

Manual testing steps

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I’ve followed MetaMask Contributor Docs and MetaMask Mobile Coding Standards.
• 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
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• 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]

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.

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
83.3% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[github-actions]

Bitrise

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Commit hash: 48818fa
Build link: https://app.bitrise.io/app/be69d4368ee7e86d/pipelines/812a99f6-ccae-43a7-86d2-d6397a67444b

Note

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