[native] [18/40] RN 0.70: Fix custom icons in dev mode
Summary:
expo-dev-client isn't able to show these fonts unless we preload them. This diff resolves ENG-2395, and it gets rid of the warning from ENG-1978.
Depends on D5911
Test Plan: Tested along with whole stack: test plan
Reviewers: tomek, bartek
Subscribers: atul
Differential Revision: https://phab.comm.dev/D5912