feat (ee): APIs to configure an auto assignment limit for inboxes (#4672)

Co-authored-by: Pranav Raj S <pranav@chatwoot.com>

app/views/layouts/vueapp.html.erb

@@ -36,6 +36,7 @@
         fbAppId: '<%= ENV.fetch('FB_APP_ID', nil) %>',
         fbApiVersion: '<%= @global_config['FACEBOOK_API_VERSION'] %>',
         signupEnabled: '<%= @global_config['ENABLE_ACCOUNT_SIGNUP'] %>',
+        isEnterprise: '<%= @global_config['IS_ENTERPRISE'] %>',
         <% if @global_config['VAPID_PUBLIC_KEY'] %>
         vapidPublicKey: new Uint8Array(<%= Base64.urlsafe_decode64(@global_config['VAPID_PUBLIC_KEY']).bytes %>),
         <% end %>