[Epel-packagers-sig] [Bug 2184830] New: xscreensaver-settings or xscreensaver-demo fails to start on X error

https://bugzilla.redhat.com/show_bug.cgi?id=2184830

            Bug ID: 2184830
           Summary: xscreensaver-settings or xscreensaver-demo fails to
                    start on X error
           Product: Fedora
           Version: 37
          Hardware: x86_64
                OS: Linux
            Status: NEW
         Component: xscreensaver
          Severity: medium
          Assignee: mtasaka(a)tbz.t-com.ne.jp
          Reporter: martin.bukatovic(a)gmail.com
        QA Contact: extras-qa(a)fedoraproject.org
                CC: cheese(a)nosuchhost.net,
                    epel-packagers-sig(a)lists.fedoraproject.org,
                    jonathan(a)almalinux.org, lkundrak(a)v3.sk,
                    mtasaka(a)tbz.t-com.ne.jp
  Target Milestone: ---
    Classification: Fedora



Description of problem
======================

xscreensaver-demo or xscreensaver-settings fails to start when executed from a
xmonad session, which prevents user to configure it directly

Version-Release number of selected component
============================================

```
$ rpm -qa 'xscreensaver*'
xscreensaver-gl-base-6.06-3.fc37.x86_64
xscreensaver-extras-base-6.06-3.fc37.x86_64
xscreensaver-gl-extras-6.06-3.fc37.x86_64
xscreensaver-base-6.06-3.fc37.x86_64
xscreensaver-extras-6.06-3.fc37.x86_64
xscreensaver-6.06-3.fc37.x86_64
$ rpm -q xorg-x11-server-Xorg
xorg-x11-server-Xorg-1.20.14-21.fc37.x86_64
```

How reproducible
================

100%

Steps to Reproduce
==================

1. select xmonad as a window manger and login
2. try to run xscreensaver-settings or xscreensaver-demo

Actual results
==============

```
$ xscreensaver-settings
xscreensaver-settings: 23:29:20.81: Theme parsing error: colors.css:71:44:
Invalid number for color value
xscreensaver-settings: 23:29:20.81: Theme parsing error: colors.css:72:44:
Invalid number for color value
xscreensaver-settings: 23:29:20.81: Theme parsing error: colors.css:74:53:
Invalid number for color value
xscreensaver-settings: 23:29:20.81: Theme parsing error: colors.css:75:53:
Invalid number for color value
xscreensaver-settings: 23:29:20.81: Theme parsing error: colors.css:76:56:
Invalid number for color value
xscreensaver-settings: 23:29:20.81: Theme parsing error: colors.css:77:65:
Invalid number for color value

xscreensaver-settings: 23:29:21.11: X error:
xscreensaver-settings:   Failed request: BadMatch (invalid parameter
attributes)
xscreensaver-settings:   Major opcode:   42 (X_SetInputFocus)
xscreensaver-settings:   Resource id:    0x3000007
xscreensaver-settings:   Serial number:  454 / 456
```

Expected results
================

xscreensaver-settings starts without any error

Additional info
===============

Fortunately `xscreensaver-command -lock` works without any problems.


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https://bugzilla.redhat.com/show_bug.cgi?id=2184830