T3364

This isn't a complete duplication of the wallet switching function from Configure.js because it is intended as a "Quick Switch" that does not come with the bells and whistles of editing wallet, adding wallet to contacts or deletion options that you see in Configure.js. For all of that the user can go to the Saved Wallet section in Configure.js.

A key design decision made here to not extend this quick switch to the Send, Receive, Airdrop, Swap, Sign/Verify components. This is because of the need to refresh the saved wallets from indexDB into state whenever the active wallet is changed from outside of Home.js. This check is initialized upon component load thus adding this across all screens will create unnecessary lag when the user is navigating between screens in Cashtab.

Further optimization can be made by moving these wallet info headers into a standalone exportable component, but that is a larger refactor that can follow once the design decision above is validated via this diff.

• npm test
• npm start
• Use a wallet with at least 1 saved wallet and ensure the Switch Wallet Collapse component is rendered on the Home screen and displays the saved wallet with correct balance
• Switch to the Saved wallet and ensure all wallet contexts are updated
• Create a fresh new wallet on incognito mode and ensure the Switch Wallet Collapse component is not rendered on the Home screen
• Create another new wallet on this same incognito session and ensure the Switch Wallet Collapse is now displayed showing this new wallet as a saved wallet
• npm run extension and ensure the Switch Wallet Collapse is rendered in the extension