Update: I installed Budgie 20200318. It didn't have this problem reported with the 20200317. (I also installed Mate 20200318. It didn't have a problem. Confirming Bill's comment.). It seems like this was a one-day glitch. It's gone.
Update: I installed Budgie 20200318. It didn't have this problem reported with the 20200317. (I also installed Mate 20200318. It didn't have a problem. Confirming Bill's comment.). It seems like this was a one-day glitch. It's gone.