The `ChatwootApp.chatwoot_cloud?` gate on the platform banners route in
#13943 reads `InstallationConfig` from the database. Because `routes.rb`
is evaluated during `Rails.application.initialize!`, this ran before the
database existed on a fresh setup, breaking `bundle exec rake db:create`
in CI and first-time installs with `ActiveRecord::NoDatabaseError: We
could not find your database: chatwoot_test`.
The route is now always mounted, and the cloud check moved to where the
database is guaranteed to be available — the controller
(`before_action`) and the super admin sidebar partial.
Closes the CI failure introduced by #13943.
## How to test
1. Drop your local databases: `bundle exec rake db:drop`
2. Run `bundle exec rake db:create` — it should succeed (previously
failed with `NoDatabaseError`)
3. Bring the DB back: `bundle exec rake db:setup`
4. On a non-cloud install, visit `/super_admin/platform_banners` —
should 404, and the sidebar entry should be hidden
5. With `DEPLOYMENT_ENV=cloud` configured (cloud install), the page and
sidebar entry should work as before
## What changed
- `config/routes.rb` — always mount `resources :platform_banners` (no DB
call at boot)
- `app/controllers/super_admin/platform_banners_controller.rb` —
`before_action` raises `ActionController::RoutingError` (404) when not
on Chatwoot Cloud
- `app/views/super_admin/application/_navigation.html.erb` — hides the
sidebar entry on non-cloud installs
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Co-authored-by: Muhsin <12408980+muhsin-k@users.noreply.github.com>