fix(TMTV): Consider blend mode when adding segmentation representations. OHIF-2416, OHIF-2369 (#5735)

* Updated screenshots for failing tests due to FOV improvements.

---------

Co-authored-by: Bill Wallace <wayfarer3130@gmail.com>

extensions/cornerstone/src/services/SyncGroupService/createHydrateSegmentationSynchronizer.ts

@@ -91,7 +91,7 @@ const segmentationRepresentationModifiedCallback = async (
     type,
     config: {
       blendMode:
-        viewport.getBlendMode() === 1 ? BlendModes.LABELMAP_EDGE_PROJECTION_BLEND : undefined,
+        viewport?.getBlendMode?.() === 1 ? BlendModes.LABELMAP_EDGE_PROJECTION_BLEND : undefined,
     },
   });
 };