fix: update extension monitors after locale change

src/containers/monitor.jsx

@@ -250,6 +250,7 @@ Monitor.propTypes = {
     resizeMonitorRect: PropTypes.func.isRequired,
     spriteName: PropTypes.string, // eslint-disable-line react/no-unused-prop-types
     targetId: PropTypes.string,
+    toolboxXML: PropTypes.string, // eslint-disable-line react/no-unused-prop-types
     value: PropTypes.oneOfType([
         PropTypes.string,
         PropTypes.number,
@@ -265,6 +266,8 @@ Monitor.propTypes = {
 };
 const mapStateToProps = state => ({
     monitorLayout: state.scratchGui.monitorLayout,
+    // render on toolbox updates since changes to the blocks could affect monitor labels, i.e. updated locale
+    toolboxXML: state.scratchGui.toolbox.toolboxXML,
     vm: state.scratchGui.vm
 });
 const mapDispatchToProps = dispatch => ({