Links in documentation of reexported functions don't work

[damianooldoni]

@PietrH wrote in PR #318:

Does the documentation work for you? In RStudio I can't open the docs for filter_media() via ?filter_media() and clicking on filter_media

To be checked.

[damianooldoni]

I have just checked this and it seems to work now. Probably solved by working somewhere in documentation in the last year 😄