Hey /u/Gaafff , we've added this issue to our Trello board here.
The plunger can still be navigated to, and then selected, if you use a controller, or view the room on a 16:9 aspect ratio (this could be changed in the Game settings).
This thread was added on March 09, 2020, with posts from EmptyTux.
Original Post
https://i.redd.it/inhm7f3gkfl41.png