[lib][web][native] Refactor lastCommunicatedPlatformDetailsSelector

Summary: issue: https://linear.app/comm/issue/ENG-4999/refactor-lastcommunicatedplatformdetailsselector

Test Plan: tested that the selector works - it is still possible to call the server using callServerEndpoint.

Reviewers: michal, kamil, ginsu

Reviewed By: kamil

Subscribers: ashoat, tomek, wyilio

Differential Revision: https://phab.comm.dev/D9621