For me on 19.10 the workaround of adding to Favorites by searching through the shell view works, as shown in this answer:
https://askubuntu.com/questions/1166171/ubuntu-18-04-add-to-favorites-missing-for-certain-qt-based-applications#answer-1223635
For me on 19.10 the workaround of adding to Favorites by searching through the shell view works, as shown in this answer:
https:/ /askubuntu. com/questions/ 1166171/ ubuntu- 18-04-add- to-favorites- missing- for-certain- qt-based- applications# answer- 1223635