chore: Add display manifest to whitelabel settings (#8708)

- Adds display manifest to white label settings
- Improve the app config rendering with options for display name and description

lib/global_config.rb

@@ -12,6 +12,7 @@ class GlobalConfig
         config[config_key] = load_from_cache(config_key)
       end
 
+      typecast_config(config)
       config.with_indifferent_access
     end
 
@@ -28,6 +29,14 @@ class GlobalConfig
 
     private
 
+    def typecast_config(config)
+      general_configs = ConfigLoader.new.general_configs
+      config.each do |config_key, config_value|
+        config_type = general_configs.find { |c| c['name'] == config_key }&.dig('type')
+        config[config_key] = ActiveRecord::Type::Boolean.new.cast(config_value) if config_type == 'boolean'
+      end
+    end
+
     def load_from_cache(config_key)
       cache_key = "#{VERSION}:#{KEY_PREFIX}:#{config_key}"
       cached_value = $alfred.with { |conn| conn.get(cache_key) }