[0.15.5] Player filter in library lost after opening book

[Progman]

When on a server you can filter the shared blueprints list by a player. When you select a player, open and close a book the selection of the player is lost. It should stay on the selected player.

Reproduce:
* Join a server with players, who have shared blueprint books
* Open the blueprint library
* Select a player which has a shared blueprint book
* Open the blueprint book
* Go "up" from the opened book back to the overview

Now the player selection is gone, it's back to "All".

[Oxyd]

Thanks, fixed in 0.15.10.