Comments authored with session keys don’t resolve names.

[GaboHBeaumont]

Repro:

1. In desktop open https://contrapunto.hyper.media/is-a-plumbing-career-the-future/:comments/z6MkfXFVyDFmqFUSr16Q8c9AhDi1BnipGbTMtB5cBjYy1L3W/z6G6aroiPe7BJv
2. See the error:

[GaboHBeaumont]

The same issue in the Activity Feed.