Force update when changing nozzle size in custom FFF

Fixes #8306

plugins/MachineSettingsAction/MachineSettingsAction.py

@@ -104,6 +104,7 @@ class MachineSettingsAction(MachineAction):
         # Force rebuilding the build volume by reloading the global container stack.
         # This is a bit of a hack, but it seems quick enough.
         self._application.getMachineManager().globalContainerChanged.emit()
+        self._application.getMachineManager().forceUpdateAllSettings()
 
     @pyqtSlot()
     def updateHasMaterialsMetadata(self) -> None: