Description

These upgrades support the RPC failover and MegaETH initiatives.

The patch for network-controller is no longer needed because the changes there have been integrated into network-controller.

Related issues

Unblocks #14139, and other initiatives.

Manual testing steps

This PR should have no functional changes, everything should work the same way.

1. Check out this branch and go through the setup steps to load the app onto your device or emulator.
2. Create an account if necessary.
3. Open the wallet to go the home screen. You should see no errors in your local console.
4. Try to switch the network. You should see no errors.
5. Try to send a transaction. You should see no errors.
6. Open the browser, go to docs.metamask.io, tap the hamburger menu, go to Wallet API, tap the menu again, go to JSON-RPC API, tap the menu again, go to wallet_addEthereumChain.
7. Click on "Connect MetaMask".
8. Scroll down and run the request (which should add Gnosis). Accept the approval.
9. You should get a modal saying that Gnosis has been switched to. You should not see any errors in your local terminal.

Screenshots/Recordings

(No screenshots/recordings, as everything should work the same way.)

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.