synaptic does not prompt for privilege and does not start from mate-desktop menu

[M Conrad]

Synaptic does not prompt for privilege escalation when started from mate-desktop menu

Running from cli as "sudo synaptic" does work.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: synaptic 0.90.2build1
ProcVersionSignature: Ubuntu 5.15.0-23.23-generic 5.15.27
Uname: Linux 5.15.0-23-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu80
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: MATE
Date: Sun Apr 3 09:43:45 2022
InstallationDate: Installed on 2021-10-22 (162 days ago)
InstallationMedia: Ubuntu-MATE 21.10 "Impish Indri" - Release amd64 (20211012)
SourcePackage: synaptic
UpgradeStatus: Upgraded to jammy on 2022-03-31 (2 days ago)

[Norbert (nrbrtx)]

I can't reproduce on fresh Ubuntu MATE 22.04 LTS install.