Fixes #3335 - state list of tickets ignore locale for their sorting.

app/assets/javascripts/app/controllers/_ui_element/_application_ui_element.coffee

@@ -115,7 +115,7 @@ class App.UiElement.ApplicationUiElement
         App.Log.debug 'ControllerForm', '_getRelationOptionList:filter-array', attribute.filter
 
         # check all records
-        for record in App[ attribute.relation ].search(sortBy: attribute.sortBy)
+        for record in App[ attribute.relation ].search(sortBy: attribute.sortBy, translate: attribute.translate)
 
           # check all filter attributes
           for key in attribute.filter

app/assets/javascripts/app/models/_application_model.coffee

@@ -778,8 +778,9 @@ set new attributes of model (remove already available attributes)
       all_complied = @_filterExtended(all_complied, params.filterExtended)
 
     # sort by
+    # if translate true then use translated strings to sort list
     if params.sortBy != null
-      all_complied = @_sortBy(all_complied, params.sortBy)
+      all_complied = @_sortBy(all_complied, params.sortBy, params.translate)
 
     # order
     if params.order
@@ -787,7 +788,7 @@ set new attributes of model (remove already available attributes)
 
     all_complied
 
-  @_sortBy: (collection, attribute) ->
+  @_sortBy: (collection, attribute, translate) ->
     _.sortBy(collection, (item) ->
 
       # set displayName as default sort attribute
@@ -797,7 +798,9 @@ set new attributes of model (remove already available attributes)
       # check if displayName exists
       if attribute is 'displayName'
         if item.displayName
-          return item.displayName().toLowerCase()
+          value = item.displayName()
+          valueProcessed = if translate then App.i18n.translateInline(value) else value
+          return valueProcessed.toLowerCase()
         else
           attribute = 'name'
 
@@ -806,7 +809,9 @@ set new attributes of model (remove already available attributes)
 
       # return value if string
       if item[ attribute ].toLowerCase
-        return item[ attribute ].toLowerCase()
+        value = item[ attribute ]
+        valueProcessed = if translate then App.i18n.translateInline(value) else value
+        return valueProcessed.toLowerCase()
 
       item[ attribute ]
     )

spec/system/ticket/zoom_spec.rb

@@ -920,6 +920,38 @@ RSpec.describe 'Ticket zoom', type: :system do
     end
   end
 
+  # https://github.com/zammad/zammad/issues/3335
+  context 'ticket state sort order maintained when locale is de-de', authenticated_as: :authenticate do
+    def authenticate
+      user.preferences[:locale] = 'de-de'
+      user
+    end
+
+    context 'when existing ticket is open' do
+      let(:user) { create(:customer) }
+      let(:ticket) { create(:ticket, customer: user) }
+
+      it 'shows ticket state dropdown options in sorted order, with new at the end' do
+        visit "ticket/zoom/#{ticket.id}"
+
+        await_empty_ajax_queue
+        expect(all('select[name=state_id] option').map(&:text)).to eq(%w[geschlossen offen neu])
+      end
+    end
+
+    context 'when a new ticket is created' do
+      let(:user) { create(:agent, groups: [permitted_group]) }
+      let(:permitted_group) { create(:group) }
+
+      it 'shows ticket state dropdown options in sorted order, with new in sorted position' do
+        visit 'ticket/create'
+
+        await_empty_ajax_queue
+        expect(all('select[name=state_id] option').map(&:text)).to eq ['-', 'geschlossen', 'neu', 'offen', 'warten auf Erinnerung', 'warten auf schliessen']
+      end
+    end
+  end
+
   context 'object manager attribute permission view' do
     let!(:group_users) { Group.find_by(name: 'Users') }