[BUG] Alt Tab Switcher not showing if a window has no title

[road2react]

Describe the bug

Alt Tab Switcher not showing if a window has no title

To Reproduce Steps to reproduce the behavior:

1. Open window without any title (not sure which program it was, but it randomly showed up)
2. Open Alt-Tab switcher

Expected behavior Alt-Tab switcher should show and the missing title should be limited to a single window in the switcher, instead of making the entire switcher not show

Screenshots If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: Arch Linux
• Version of the extension: 55
• extension.gnome.org

Additional context Logs:

JS ERROR: TypeError: title is null
                                        _createWindowIcon@file:///home/user/.local/share/gnome-shell/extensions/advanced-alt-tab@G-dH.github.com/src/switcherItems.js:114:17
                                        _init@file:///home/user/.local/share/gnome-shell/extensions/advanced-alt-tab@G-dH.github.com/src/switcherItems.js:73:14
                                        WindowIcon@file:///home/user/.local/share/gnome-shell/extensions/advanced-alt-tab@G-dH.github.com/src/switcherItems.js:57:4
                                        _init@file:///home/user/.local/share/gnome-shell/extensions/advanced-alt-tab@G-dH.github.com/src/switcherList.js:87:24
                                        SwitcherList@resource:///org/gnome/shell/ui/switcherPopup.js:389:4
                                        SwitcherList@file:///home/user/.local/share/gnome-shell/extensions/advanced-alt-tab@G-dH.github.com/src/switcherList.js:53:4
                                        show@file:///home/user/.local/share/gnome-shell/extensions/advanced-alt-tab@G-dH.github.com/src/windowSwitcherPopup.js:486:34
                                        _startSwitcher@resource:///org/gnome/shell/ui/windowManager.js:1703:23
                                        @resource:///org/gnome/shell/ui/init.js:21:20

[G-dH]

Thanks! I'll fix it ASAP.

[G-dH]

Please can you install AATWS from this repository and test the fix?