[Bug 1949174] [NEW] when clicking Details of packages to be changed as part of dist upgrade, window resizes beyond viewable screen size

[rupert]

Public bug reported:

The upgrade window fits within the visible screen size as expected.

However, when you get to the "Do you want to start the upgrade?" screen
and click Details at the bottom, the window resizes to fit the
additional details, but this causes the buttons to be hidden beneath the
bottom of the screen and there is no way to resize the window to allow
you to click the buttons, as shown in ss2.png. This effectively getting
you permanently stuck as there is no way to exit the window (other than
tabbing through the buttons and hoping to hit Enter on the correct one,
which some users may not know about).

Clicking Details again to hide the additional information doesn't resize
the window, so is not a fix. If the window resized to fit the screen
again, this would fix the issue.

ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: ubuntu-release-upgrader-core 1:21.04.17
ProcVersionSignature: Ubuntu 5.11.0-38.42-lowlatency 5.11.22
Uname: Linux 5.11.0-38-lowlatency x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu65.4
Architecture: amd64
CasperMD5CheckResult: unknown
CrashDB: ubuntu
CurrentDesktop: MATE
Date: Fri Oct 29 09:34:19 2021
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: ubuntu-release-upgrader
UpgradeStatus: Upgraded to hirsute on 2021-10-29 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade hirsute third-party-packages

** Attachment added: "Window goes beyond screen"
   https://bugs.launchpad.net/bugs/1949174/+attachment/5536940/+files/ss2.png

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https://bugs.launchpad.net/bugs/1949174

Title:
  when clicking Details of packages to be changed as part of dist
  upgrade, window resizes beyond viewable screen size

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  The upgrade window fits within the visible screen size as expected.

  However, when you get to the "Do you want to start the upgrade?"
  screen and click Details at the bottom, the window resizes to fit the
  additional details, but this causes the buttons to be hidden beneath
  the bottom of the screen and there is no way to resize the window to
  allow you to click the buttons, as shown in ss2.png. This effectively
  getting you permanently stuck as there is no way to exit the window
  (other than tabbing through the buttons and hoping to hit Enter on the
  correct one, which some users may not know about).

  Clicking Details again to hide the additional information doesn't
  resize the window, so is not a fix. If the window resized to fit the
  screen again, this would fix the issue.

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: ubuntu-release-upgrader-core 1:21.04.17
  ProcVersionSignature: Ubuntu 5.11.0-38.42-lowlatency 5.11.22
  Uname: Linux 5.11.0-38-lowlatency x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu65.4
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  CurrentDesktop: MATE
  Date: Fri Oct 29 09:34:19 2021
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to hirsute on 2021-10-29 (0 days ago)
  VarLogDistupgradeTermlog:

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