Settings failure under gnome 40

[zeners]

Try to configure the plugin gives the following error:

The settings of extension TeaTime@oleid.mescharet.de had an error:

Error: No property margin on Gjs_TeaTimePrefsWidget

Stack trace:

_init/Gtk.Widget.prototype._init@resource:///org/gnome/gjs/modules/core/overrides/Gtk.js:45:40
_init@/usr/share/gnome-shell/extensions/TeaTime@oleid.mescharet.de/prefs.js:28:9
buildPrefsWidget@/usr/share/gnome-shell/extensions/TeaTime@oleid.mescharet.de/prefs.js:294:15
_init@resource:///org/gnome/Shell/Extensions/js/extensionsService.js:209:40
OpenExtensionPrefsAsync/<@resource:///org/gnome/Shell/Extensions/js/extensionsService.js:122:28
asyncCallback@resource:///org/gnome/gjs/modules/core/overrides/Gio.js:115:22
run@resource:///org/gnome/Shell/Extensions/js/dbusService.js:177:20
main@resource:///org/gnome/Shell/Extensions/js/main.js:19:13
run@resource:///org/gnome/gjs/modules/script/package.js:206:19
start@resource:///org/gnome/gjs/modules/script/package.js:190:8
@/usr/share/gnome-shell/org.gnome.Shell.Extensions:1:17