Fixes #3844 - No signature on new ticket if email is default message type.

app/assets/javascripts/app/controllers/agent_ticket_create.coffee

@@ -48,7 +48,15 @@ class App.TicketCreate extends App.Controller
     if @ticket_id && @article_id
       @split = "/#{@ticket_id}/#{@article_id}"
 
+    @ajax(
+      type: 'GET'
+      url:  "#{@apiPath}/ticket_create"
+      processData: true
+      success: (data, status, xhr) =>
+        App.Collection.loadAssets(data.assets)
+        @formMeta = data.form_meta
         @buildScreen(params)
+    )
 
     # rerender view, e. g. on langauge change
     @controllerBind('ui:rerender', =>
@@ -271,6 +279,7 @@ class App.TicketCreate extends App.Controller
     localeRender = =>
       @render(template)
     App.QueueManager.add(@queueKey, localeRender)
+    return if !@formMeta
     App.QueueManager.run(@queueKey)
 
   updateTaskManagerAttachments: (attribute, attachments) =>
@@ -328,6 +337,7 @@ class App.TicketCreate extends App.Controller
       model:                    App.Ticket
       screen:                   'create_middle'
       handlersConfig:           handlers
+      formMeta:                 @formMeta
       params:                   params
       noFieldset:               true
       taskKey:                  @taskKey

spec/system/ticket/create_spec.rb

@@ -813,4 +813,20 @@ RSpec.describe 'Ticket Create', type: :system do
       find '.token', text: input # wait for email to tokenize
     end
   end
+
+  describe 'No signature on new ticket if email is default message type #3844', authenticated_as: :authenticate do
+    def authenticate
+      Setting.set('ui_ticket_create_default_type', 'email-out')
+      Group.where.not(name: 'Users').each { |g| g.update(active: false) }
+      true
+    end
+
+    before do
+      visit 'ticket/create'
+    end
+
+    it 'does render the create screen with an initial core workflow state to set signatures and other defaults properly' do
+      expect(page.find('.richtext-content')).to have_text('Support')
+    end
+  end
 end