Hide social like for unpublished content

[rodfersou]

One of our customer complain that facebook has a high share number for unpublished content:

It looks like facebook has a bug that it treat every unpublished post as the same post, and counts on.

To hide false positives we should hide social like for unpublished content.

[lepri]

This is not a good correction for this issue. If the portal has another state than published for publish its contents, or another workflow, the viewlet will show up.

[hvelarde]

@lepri thanks for your comments; do you have a different use case? please elaborate on a new issue and feel free to propose a solution for that in another PR.