feat(toolbox): Refactor Toolbar and Toolbox to enable sections (#4825)

modes/segmentation/src/initToolGroups.ts

@@ -76,6 +76,20 @@ function createTools(utilityModule) {
           },
         },
       },
+      {
+        toolName: 'ThresholdSphereBrushDynamic',
+        parentTool: 'Brush',
+        configuration: {
+          activeStrategy: 'THRESHOLD_INSIDE_SPHERE',
+          // preview: {
+          //   enabled: true,
+          // },
+          threshold: {
+            isDynamic: true,
+            dynamicRadius: 3,
+          },
+        },
+      },
       { toolName: toolNames.CircleScissors },
       { toolName: toolNames.RectangleScissors },
       { toolName: toolNames.SphereScissors },