```ruby
class ApplicationHelper::Button::OrchestrationOldDialogsEditDelete < ApplicationHelper::Button::Basic
  def calculate_properties
    super
    if @view_context.x_active_tree == :old_dialogs_tree && @record && @record[:default]
      self['enabled'] = 'false'
      self['title'] = if self['id'] =~ /_edit/
                        _('Default dialogs cannot be edited')
                      else
                        _('Default dialogs cannot be removed from the VMDB')
                      end
    end
  end
end
```

Correct name of class according to name of file
user
```ruby
class ApplicationHelper::Button::OldDialogsEditDelete < ApplicationHelper::Button::Basic
  def calculate_properties
    super
    if @view_context.x_active_tree == :old_dialogs_tree && @record && @record[:default]
      self['enabled'] = 'false'
      self['title'] = if self['id'] =~ /_edit/
                        _('Default dialogs cannot be edited')
                      else
                        _('Default dialogs cannot be removed from the VMDB')
                      end
    end
  end
end
```
assistant