In these cases the site permalink is used instead of the social network
URL for sharing as defined in the `link` value
(https://www.linkedin.com/shareArticle in the below example)
Most visible case is LinkedIn but all social networks that have
```toml
[ananke.social.networks.particles]
...
params = "..."
```
in `config/_default/params.toml` are affected by this bug.
Closes#768.
