Implement new exit list wireframes

Althea L1 Development Backlog
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@Adam_Soltys the connect button on unselected exits does not show up because it’s trying to check the tunnel state when no exit tunnel to that destination

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Fixed in master: https://github.com/althea-mesh/althea-dash/commit/c008d0ed0b6b70e30f8fa9e115494e9694e490ce