fix(recent-list) do not store room when inside an iframe
Due to local storage limitations we might end up making the URL huge
when we save the state there. Avoid the issue at the root by never
storing URLs in that case.
Closes: https://github.com/jitsi/jitsi-meet/issues/11567
feat(App): refactor App and split it into BaseApp and App
BaseApp does all the heavy-lifting related to creating the redux store,
navigation, and so on.
App currently handles URL props and actually triggering navigation based on
them.