[native] update Image import to use expo-image in Multimedia component

Summary: As I was working with ens avatars today I noticed that we were still using the Image component from react-native and not expo-image, which was causing some rendering issues while I was tinkering

Test Plan: Every place we use Multimedia still renders and I was able to get the ens avatar to render in Mutlimedia which was using a svg data uri

Reviewers: ashoat, atul

Reviewed By: atul

Subscribers: ashoat, tomek, atul

Differential Revision: https://phab.comm.dev/D7245