Fixed a bug with ReferenceLinesTool

In some medical imaging the "reference Lines Tool" does not get the intersection coordinates correctly with the "show Full Dimension" option turned on, causing the tool not to work properly.

I added a fallback action to it

packages/tools/src/tools/ReferenceLinesTool.ts

@@ -246,24 +246,30 @@ class ReferenceLines extends AnnotationDisplayTool {
     const lineDash = this.getStyle('lineDash', styleSpecifier, annotation);
     const color = this.getStyle('color', styleSpecifier, annotation);
     const shadow = this.getStyle('shadow', styleSpecifier, annotation);
-
-    let canvasCoordinates = [lineStartWorld, lineEndWorld].map((world) =>
+    const canvasCoords = [lineStartWorld, lineEndWorld].map((world) =>
       targetViewport.worldToCanvas(world)
     );
+    if (canvasCoords.length < 2) {
+      return renderStatus;
+    }
 
+
+    let canvasCoordinates: Types.Point2[] = [];
+    // If the full dimension is enabled, we need to calculate the intersection
     if (this.configuration.showFullDimension) {
       canvasCoordinates = this.handleFullDimension(
         targetViewport,
         lineStartWorld,
         viewPlaneNormal,
         viewUp,
         lineEndWorld,
-        canvasCoordinates
+        canvasCoords
       );
     }
 
+    // If the full dimension is not enabled or the intersection is not found
     if (canvasCoordinates.length < 2) {
-      return renderStatus;
+      canvasCoordinates = canvasCoords;
     }
 
     const dataId = `${annotationUID}-line`;