Fix PgHero Content-Security-Policy when CDN_HOST is used (#13595)

config/initializers/content_security_policy.rb

@@ -46,3 +46,8 @@ end
 # For further information see the following documentation:
 # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only
 # Rails.application.config.content_security_policy_report_only = true
+
+PgHero::HomeController.content_security_policy do |p|
+  p.script_src :self, :unsafe_inline, assets_host
+  p.style_src  :self, :unsafe_inline, assets_host
+end

config/pghero.yml

@@ -38,4 +38,4 @@ databases:
 # aws_secret_access_key: ...
 # aws_region: us-east-1
 
-override_csp: true
+override_csp: false