Fix broken specs.

lib/i18n/backend/discourse_i18n.rb

@@ -72,9 +72,11 @@ module I18n
         # the original translations before applying our overrides.
         def lookup(locale, key, scope = [], options = {})
           existing_translations = super(locale, key, scope, options)
+          return existing_translations if scope.is_a?(Array) && scope.include?(:models)
+
           overrides = options.dig(:overrides, locale)
 
-          if overrides && !scope&.include?(:models)
+          if overrides
             if existing_translations && options[:count]
               remapped_translations =
                 if existing_translations.is_a?(Hash)

spec/components/discourse_i18n_spec.rb

@@ -176,7 +176,7 @@ describe I18n::Backend::DiscourseI18n do
       expect(I18n.with_locale(:ru) { I18n.translate('got', default: '') }).to eq('summer')
     end
 
-    it 'supports ActiveModel::Naming#human' do
+    it 'does not affect ActiveModel::Naming#human' do
       Fish = Class.new(ActiveRecord::Base)
 
       TranslationOverride.upsert!('en', 'fish', "fake fish")