Add correct word-break setting for button group

button-group.js

@@ -15,7 +15,7 @@ module.exports = function (RED) {
             var heightPx = config.buttonheight * sizes.sy - sizes.gy;
 
             var html = `<div style="width=100%; height=100%">
-                    <md-button id="{{$index}}" style="width:${widthPx}px; height:${heightPx}px; margin: ${sizes.gx}px ${sizes.gy}px; background-color: {{button.color}};" ng-click="buttonClick($event)" ng-repeat="button in msg.buttons">{{button.label}}</md-button>
+                    <md-button id="{{$index}}" style="width:${widthPx}px; height:${heightPx}px; margin: ${sizes.gx}px ${sizes.gy}px; background-color: {{button.color}}; white-space: pre-wrap; word-break: break-word;" ng-click="buttonClick($event)" ng-repeat="button in msg.buttons">{{button.label}}</md-button>
                 </div>`;
 
             var done = ui.addWidget({

multi-group.js

@@ -1,4 +1,3 @@
-const { create } = require('domain');
 var path = require('path');
 
 module.exports = function (RED) {