[native] Render SIWE restore panel

Summary:
Show a panel where users can restore their account using SIWE.

https://linear.app/comm/issue/ENG-8203/implement-navigation-flow-for-new-siwe-log-in

Depends on D14084

Test Plan: Click the restore with SIWE button and check if the panel is shown correctly.

Reviewers: kamil, angelika, bartek, ashoat

Reviewed By: ashoat

Differential Revision: https://phab.comm.dev/D14085