Add Hydration network logo (eip155-222222)

[nohaapav]

Description

Add Hydration logos following the new brand guidelines

Related issues

N/A

Manual testing steps

We verified Metamask locally to confirm logo dimensions

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension 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.

[nohaapav]

If there is anything else we can/should do in order to support Hydration network logo in Metamask let me know please.

https://chainlist.org/chain/222222