Visual corruption in main window

[Matthew D. Mower]

There are green and purple blocks in several areas of the main window. Some of them flicker when you move your mouse over the location bar, section dividers, or typeahead input. See attached screenshot.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: pcmanfm 1.3.2-1
ProcVersionSignature: Ubuntu 5.15.0-35.36-generic 5.15.35
Uname: Linux 5.15.0-35-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckResult: pass
Config_pcmanfm_System_ubuntu: Error: [Errno 2] No such file or directory: '/etc/xdg/pcmanfm/ubuntu/pcmanfm.conf'
CurrentDesktop: ubuntu:GNOME
Date: Sat Jun 4 10:33:43 2022
InstallationDate: Installed on 2022-05-01 (34 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: pcmanfm
Udisks_dump: Error: [Errno 2] No such file or directory: 'udisks'
UpgradeStatus: No upgrade log present (probably fresh install)