Braze web SDK unusable without 'unsafe-eval' Content Security Policy
Braze removed the `eval`-based initialization snippet from the npm package in v3.3.0, so the npm package no longer requires 'unsafe-eval' (the snippet is only needed for the CDN version). Fix: use the npm package `@braze/web-sdk` at v3.3.0 or later instead of the CDN loader, and follow Braze's Conte…