def label(method, text = nil, options = {}, &block)
      text = instance_exec(&text) if text.is_a?(Proc)
      super
    end
def label(method, text = nil, options = {}, &block)
      text = instance_exec(&text) if text.is_a?(Proc)
      super
    end
Extend label to accept proc type `text` argument
 @see ActionView::Helpers::FormBuilder#label