Merge pull request #4007 from tgxworld/fix_siitesetting_not_published_to_clients

FIX: Client settings were not being published.

lib/site_setting_extension.rb

@@ -151,7 +151,7 @@ module SiteSettingExtension
   # just like a setting, except that it is available in javascript via DiscourseSession
   def client_setting(name, default = nil, opts = {})
     setting(name, default, opts)
-    client_settings << name
+    client_settings << name.to_sym
   end
 
   def settings_hash

spec/components/site_setting_extension_spec.rb

@@ -140,6 +140,17 @@ describe SiteSettingExtension do
         settings.set("test_setting", 12)
         expect(settings.test_setting).to eq(12)
       end
+
+      it "should publish changes to clients" do
+        settings.setting("test_setting", 100)
+        settings.client_setting("test_setting")
+
+        messages = MessageBus.track_publish do
+          settings.test_setting = 88
+        end
+
+        expect(messages.map(&:channel).include?('/client_settings')).to eq(true)
+      end
     end
   end