Unity HUD fails to present applications

[Humphrey van Polanen Petel]

Unity under 20.04 LTS presented applications, but under 22.04 LTS it does not.

ClassicMenu Indicator is capable of presenting applications, so there is no legitimate reason why Unity should not do so.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: unity 7.5.1+22.04.20211026.2-0ubuntu1
ProcVersionSignature: Ubuntu 5.15.0-53.59-generic 5.15.64
Uname: Linux 5.15.0-53-generic x86_64
.tmp.unity_support_test.0:

ApportVersion: 2.20.11-0ubuntu82.2
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: unknown
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity:Unity7:ubuntu
Date: Tue Nov 29 16:14:18 2022
DistUpgraded: 2022-11-26 15:02:34,980 INFO cache.commit()
DistroCodename: jammy
DistroVariant: ubuntu
DkmsStatus:
 virtualbox/6.1.38, 5.15.0-52-generic, x86_64: installed
 virtualbox/6.1.38, 5.15.0-53-generic, x86_64: installed
GraphicsCard:
 Intel Corporation HD Graphics 530 [8086:1912] (rev 06) (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company HD Graphics 530 [103c:8054]
InstallationDate: Installed on 2021-01-14 (684 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
LightdmDisplayLog:
 (EE) event4 - Logitech Optical USB Mouse: client bug: event processing lagging behind by 43ms, your system is too slow
 (EE) event4 - Logitech Optical USB Mouse: client bug: event processing lagging behind by 28ms, your system is too slow
 (EE) event4 - Logitech Optical USB Mouse: client bug: event processing lagging behind by 60ms, your system is too slow
 (EE) event4 - Logitech Optical USB Mouse: client bug: event processing lagging behind by 27ms, your system is too slow
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 004: ID 0424:2514 Microchip Technology, Inc. (formerly SMSC) USB 2.0 Hub
 Bus 001 Device 003: ID 0592:0002 Powerware Corp. UPS (X-Slot)
 Bus 001 Device 002: ID 046d:c016 Logitech, Inc. Optical Wheel Mouse
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Lsusb-t:
 /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/10p, 5000M
 /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/16p, 480M
     |__ Port 1: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
     |__ Port 2: Dev 3, If 0, Class=Vendor Specific Class, Driver=usbfs, 1.5M
     |__ Port 5: Dev 4, If 0, Class=Hub, Driver=hub/4p, 480M
MachineType: HP HP EliteDesk 800 G2 SFF
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-53-generic root=UUID=9dd289f2-eb84-4c73-92fb-e6050acc143d ro
SourcePackage: unity
UpgradeStatus: Upgraded to jammy on 2022-11-26 (3 days ago)
dmi.bios.date: 07/14/2020
dmi.bios.release: 2.48
dmi.bios.vendor: HP
dmi.bios.version: N01 Ver. 02.48
dmi.board.name: 8054
dmi.board.vendor: HP
dmi.board.version: KBC Version 05.39
dmi.chassis.type: 4
dmi.chassis.vendor: HP
dmi.ec.firmware.release: 5.57
dmi.modalias: dmi:bvnHP:bvrN01Ver.02.48:bd07/14/2020:br2.48:efr5.57:svnHP:pnHPEliteDesk800G2SFF:pvr:rvnHP:rn8054:rvrKBCVersion05.39:cvnHP:ct4:cvr:skuL1G76AV:
dmi.product.family: 103C_53307F G=D
dmi.product.name: HP EliteDesk 800 G2 SFF
dmi.product.sku: L1G76AV
dmi.sys.vendor: HP
version.compiz: compiz 1:0.9.14.1+22.04.20220820-0ubuntu1
version.libdrm2: libdrm2 2.4.110-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 22.0.5-0ubuntu0.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.3-2ubuntu2.3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-2ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20210115-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-2build1