[Feature] Asset selection performance and multi-account

[reallybeard]

Overview

This ticket is meant to be the parent issue of aggregate tasks related to the asset selection UX improvements.

Figma

Note: We are only looking at the asset selection from this prototype

https://www.figma.com/proto/IBz3Fn75GGjXfm89FsymAL/Limit-Orders?type=design&node-id=989-5632&t=huScTA3Tv6trI9fS-0&scaling=min-zoom&page-id=612%3A4854&starting-point-node-id=989%3A5632&show-proto-sidebar=1

Tickets

• [x] #6289
• [ ] #6288