FIX: Load translation overrides for more than one locale

lib/freedom_patches/translate_accelerator.rb

@@ -105,8 +105,7 @@ module I18n
 
       by_site = @overrides_by_site[site]
 
-      by_locale = nil
-      unless by_site
+      unless by_site && by_site.has_key?(locale)
         by_site = @overrides_by_site[site] = {}
 
         # Load overrides

spec/components/discourse_i18n_spec.rb

@@ -15,6 +15,7 @@ describe I18n::Backend::DiscourseI18n do
   end
 
   after do
+    I18n.locale = :en
     I18n.reload!
   end
 
@@ -78,15 +79,23 @@ describe I18n::Backend::DiscourseI18n do
   end
 
   describe 'with overrides' do
-    it 'returns the overriden key' do
+    it 'returns the overridden key' do
       TranslationOverride.upsert!('en', 'foo', 'Overwritten foo')
       expect(I18n.translate('foo')).to eq('Overwritten foo')
 
       TranslationOverride.upsert!('en', 'foo', 'new value')
-      I18n.reload!
       expect(I18n.translate('foo')).to eq('new value')
     end
 
+    it 'returns the overridden key after switching the locale' do
+      TranslationOverride.upsert!('en', 'foo', 'Overwritten foo in EN')
+      TranslationOverride.upsert!('de', 'foo', 'Overwritten foo in DE')
+
+      expect(I18n.translate('foo')).to eq('Overwritten foo in EN')
+      I18n.locale = :de
+      expect(I18n.translate('foo')).to eq('Overwritten foo in DE')
+    end
+
     it "can be searched" do
       TranslationOverride.upsert!('en', 'wat', 'Overwritten value')
       expect(I18n.search('wat', backend: backend)).to eq({'wat' => 'Overwritten value'})