def find_embedded_images
      text = self.fields.values.join(' ')
      matches = text.scan(/ei=([^&]*)/)
      encoded_ids = matches.map(&:first)
      ids = encoded_ids.map { |eid| Base64.urlsafe_decode64(URI.unescape(eid)) }
      EmbeddedImage.includes(:embeddable).find(ids)
    end
def find_embedded_images
      text = self.fields.values.join(' ')
      matches = text.scan(/ei=([^&]*)/)
      encoded_ids = matches.map(&:first)
      ids = encoded_ids.map { |eid| Base64.urlsafe_decode64(URI.unescape(eid)) }
      EmbeddedImage.includes(:embeddable).find(ids)
    end
Search all of the fields text and create an array of all found
 Simplec::EmbeddedImages.

 @return [Array] of Simplec::EmbeddedImages