allow passing of a full file path to wisepdf_image_tag for compatibility with Paperclip::Attachment or other files outside the assets path; also don't error if image not found
allow passing of a full file path to wisepdf_image_tag for compatibility with Paperclip::Attachment or other files outside the assets path; also don't error if image not found

igor-alexandrov/wisepdf,igor-alexandrov/wisepdf