feat(segmentation): segment statistics, labelmap interpolation and segment bidirectional (#4865)

modes/segmentation/src/initToolGroups.ts

@@ -76,6 +76,9 @@ function createTools(utilityModule) {
           },
         },
       },
+      {
+        toolName: toolNames.SegmentBidirectional,
+      },
       {
         toolName: 'ThresholdSphereBrushDynamic',
         parentTool: 'Brush',