[ncl] use silentLaunch: true in development clients (#9923)
[ncl] use silentLaunch: true in development clients (#9923)

# Why

Follow up from https://github.com/expo/expo/pull/9827

# How

Add new key to app.json.

# Test Plan

Verified that loading progress is still shown in development. Tested publishing a different project to ensure that loading progress is not show in production with `silentLaunch: true`.

exponent/exponent,exponent/exponent,exponentjs/exponent,exponentjs/exponent,exponentjs/exponent,exponent/exponent,exponentjs/exponent,exponentjs/exponent,exponentjs/exponent,exponent/exponent,exponent/exponent,exponentjs/exponent,exponent/exponent,exponent/exponent,exponentjs/exponent,exponentjs/exponent,exponent/exponent,exponent/exponent