[Bug 55350] New: explorer.exe:explorer - test_taskbar() often fails in Wine

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55350

Bug ID: 55350
           Summary: explorer.exe:explorer - test_taskbar() often fails in
                    Wine
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

explorer.exe:explorer - test_taskbar() often fails in Wine:

explorer.c:43: Test failed: Expected (0,0)-(0,0), got (904,0)-(1024,768).

See https://test.winehq.org/data/patterns.html#explorer.exe:explorer

This happens almost systematically on fg-deb64-* but also happens randomly on
the TestBot's debian11 VM, GitLab's gitlab-debian environment, and Remi's VMs.
This also impacts merge requests sometimes, for instance MR!3413 on 2023-07-26.