The system monitor in 22.2 is buggy too. The files tab displays right every other time you open the app. Doing so also causes a zombie process to appear.
Since the MATE, Xfce, and Cinnamon Linux Mint 22.2 "Zara" editions come with the HWE kernel 6.14, all ended up facing the same issues. The list of problems includes a bug that affects systems with older Nvidia GPUs that use the 470 driver, but other nuisances have been discovered as well.