feat(rt): allow rendering of points in RT Struct (#4128)

modes/longitudinal/src/initToolGroups.js

@@ -77,7 +77,9 @@ function initDefaultToolGroup(
       { toolName: toolNames.Magnify },
       { toolName: toolNames.SegmentationDisplay },
       { toolName: toolNames.CalibrationLine },
-
+      { toolName: toolNames.PlanarFreehandContourSegmentation, configuration: {
+        displayOnePointAsCrosshairs: true,
+      } },
       { toolName: toolNames.UltrasoundDirectional },
       { toolName: toolNames.PlanarFreehandROI },
       { toolName: toolNames.SplineROI },
@@ -148,6 +150,9 @@ function initSRToolGroup(extensionManager, toolGroupService) {
       { toolName: SRToolNames.SRCircleROI },
       { toolName: SRToolNames.SRPlanarFreehandROI },
       { toolName: SRToolNames.SRRectangleROI },
+      { toolName: SRToolNames.SRPlanarFreehandContourSegmentation, configuration: {
+        displayOnePointAsCrosshairs: true,
+      } },
     ],
     enabled: [
       {
@@ -225,6 +230,9 @@ function initMPRToolGroup(extensionManager, toolGroupService, commandsManager, m
       { toolName: toolNames.CobbAngle },
       { toolName: toolNames.PlanarFreehandROI },
       { toolName: toolNames.SegmentationDisplay },
+      { toolName: toolNames.PlanarFreehandContourSegmentation, configuration: {
+        displayOnePointAsCrosshairs: true,
+      } },
     ],
     disabled: [
       {