Add string for pending contact offline state
This branch adds a UI string that could be used in either of the solutions proposed for #1580 (closed) (a snackbar or an offline state for pending contacts).
Part of #1580 (closed).
This branch adds a UI string that could be used in either of the solutions proposed for #1580 (closed) (a snackbar or an offline state for pending contacts).
Part of #1580 (closed).