fix: remaining bugs for MPR and toolbar icon colors (#3026)

* feat: warn for overlapping segments

* fix: typo

* refactor mpr toggle and stack sync

* fix: wip for more general mpr

* fix: tool groups for mpr

* fix: changing of viewport id

* fix: viewport Id for the seg viewports

* fix

* update cornerstone version

platform/core/src/services/HangingProtocolService/HangingProtocolService.ts

@@ -122,6 +122,13 @@ class HangingProtocolService {
     this.displaySetMatchDetails = new Map();
   }
 
+  public getActiveProtocol(): {
+    protocol: HangingProtocol.Protocol;
+    stage: number;
+  } {
+    return { protocol: this.protocol, stage: this.stage };
+  }
+
   public getDefaultProtocol(): HangingProtocol.Protocol {
     return this.getProtocolById('default');
   }

platform/core/src/utils/sortInstancesByPosition.ts

@@ -20,6 +20,10 @@ export default function sortInstances(instances: Array<any>) {
     ImageOrientationPatient,
   } = instances[Math.floor(instances.length / 2)]; // this prevents getting scout image as test image
 
+  if (!referenceImagePositionPatient || !ImageOrientationPatient) {
+    return instances;
+  }
+
   const rowCosineVec = vec3.fromValues(
     ImageOrientationPatient[0],
     ImageOrientationPatient[1],