Failure message on CI
```
Failures:
1) Network Disconnected Doesn't show the offline indicator when the site setting isn't present
Failure/Error: expect(page).to have_css("html.message-bus-offline")
expected to find css "html.message-bus-offline" but there were no matches
[Screenshot Image]: /__w/discourse/discourse/tmp/capybara/failures_r_spec_example_groups_network_disconnected_doesn_t_show_the_offline_indicator_when_the_site_setting_isn_t_present_764.png
~~~~~~~ JS LOGS ~~~~~~~
http://localhost:31338/uploads/default/test_0/optimized/1X/_129430568242d1b7f853bb13ebea28b3f6af4e7_2_512x512.png - Failed to load resource: net::ERR_INTERNET_DISCONNECTED
http://localhost:31338/categories - Error while trying to use the following icon from the Manifest: http://localhost:31338/uploads/default/test_0/optimized/1X/_129430568242d1b7f853bb13ebea28b3f6af4e7_2_512x512.png (Download error or resource isn't a valid image)
~~~~~ END JS LOGS ~~~~~
# ./spec/system/network_disconnected_spec.rb:35:in `block (3 levels) in <main>'
# ./spec/system/network_disconnected_spec.rb:8:in `with_network_disconnected'
# ./spec/system/network_disconnected_spec.rb:34:in `block (2 levels) in <main>'
# ./spec/rails_helper.rb:380:in `block (3 levels) in <top (required)>'
# ./spec/rails_helper.rb:380:in `block (2 levels) in <top (required)>'
# ./spec/rails_helper.rb:372:in `block (3 levels) in <top (required)>'
# ./vendor/bundle/ruby/3.2.0/gems/timeout-0.3.2/lib/timeout.rb:189:in `block in timeout'
# ./vendor/bundle/ruby/3.2.0/gems/timeout-0.3.2/lib/timeout.rb:196:in `timeout'
# ./spec/rails_helper.rb:367:in `block (2 levels) in <top (required)>'
# ./spec/rails_helper.rb:356:in `block (2 levels) in <top (required)>'
# ./vendor/bundle/ruby/3.2.0/gems/webmock-3.18.1/lib/webmock/rspec.rb:37:in `block (2 levels) in <top (required)>'
```
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