Enabling child tools labeling and removing

Packages/ohif-measurements/client/lib/toggleLabelButton.js

@@ -4,7 +4,13 @@ import { _ } from 'meteor/underscore';
 import { OHIF } from 'meteor/ohif:core';
 
 OHIF.measurements.toggleLabelButton = options => {
-    const toolType = options.measurement.toolType;
+    let { toolType } = options.measurement;
+    const { tool } = OHIF.measurements.getToolConfiguration(toolType);
+
+    if (!tool) return;
+
+    toolType = (tool && tool.parentTool) || toolType;
+
     const measurementId = options.measurement._id;
     let buttonView = null;