Fixed #1205. If contents is empty, add empty paragraph.
Fixed #1205. If contents is empty, add empty paragraph.

summernote/summernote,bebeeteam/summernote,AshDevFr/winternote,AshDevFr/winternote,bebeeteam/summernote,AshDevFr/winternote,summernote/summernote,bebeeteam/summernote,summernote/summernote