Fix binding of extruder enable checkbox if there is no active stack

There was a typo there.

Contributes to issue CURA-7501.

plugins/Toolbox/src/CloudSync/CloudPackageChecker.py

@@ -140,8 +140,7 @@ class CloudPackageChecker(QObject):
         sync_message = Message(self._i18n_catalog.i18nc(
             "@info:generic",
             "Do you want to sync material and software packages with your account?"),
-            title = self._i18n_catalog.i18nc("@info:title", "Changes detected from your Ultimaker account", ),
-            lifetime = 0)
+            title = self._i18n_catalog.i18nc("@info:title", "Changes detected from your Ultimaker account", ))
         sync_message.addAction("sync",
                                name = self._i18n_catalog.i18nc("@action:button", "Sync"),
                                icon = "",

resources/qml/Menus/ConfigurationMenu/CustomConfiguration.qml

@@ -231,7 +231,7 @@ Item
                         target: enabledCheckbox
                         property: "checked"
                         value: Cura.MachineManager.activeStack.isEnabled
-                        when: Cura.MachineManger.activeStack != null
+                        when: Cura.MachineManager.activeStack != null
                     }
 
                     /* Use a MouseArea to process the click on this checkbox.