feat: multi chain list and network filter (experimental)

[vinnyhoward]

Description

This PR is experimental, the real PR is here

The feature is currently hidden under a feature flag PORTFOLIO_VIEW to run and test run PORTFOLIO_VIEW=true yarn watch. Currently the app will crash without the necessary controller updates or patches

Related issues

Fixes:

Manual testing steps

1. Go to this page...

Screenshots/Recordings

NA

Before

NA

After

NA

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.

[socket-security]

New and removed dependencies detected. Learn more about Socket for GitHub ↗︎

Package	New capabilities	Transitives	Size	Publisher
npm/@metamask/[email protected]	Transitive: network	+4	3.2 MB	danfinlay, gudahtt, kumavis, ...7 more

🚮 Removed packages: npm/@metamask/[email protected]

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