feat(debug): Add timing information about time to first image/all images, and query time (#3681)

extensions/default/src/getDisplaySetMessages.ts

@@ -13,22 +13,23 @@ export default function getDisplaySetMessages(
   isReconstructable: boolean
 ): DisplaySetMessageList {
   const messages = new DisplaySetMessageList();
-  if (!instances.length) {
+  const firstInstance = instances[0];
+  if (!instances.length || firstInstance) {
     messages.addMessage(DisplaySetMessage.CODES.NO_VALID_INSTANCES);
+    return;
   }
 
-  const firstInstance = instances[0];
+  const { Modality, ImageType, NumberOfFrames } = firstInstance;
   // Due to current requirements, LOCALIZER series doesn't have any messages
-  if (firstInstance?.ImageType?.includes('LOCALIZER')) {
+  if (ImageType?.includes('LOCALIZER')) {
     return messages;
   }
 
-  const Modality = firstInstance.Modality;
   if (!constructableModalities.includes(Modality)) {
     return messages;
   }
 
-  const isMultiframe = firstInstance.NumberOfFrames > 1;
+  const isMultiframe = NumberOfFrames > 1;
   // Can't reconstruct if all instances don't have the ImagePositionPatient.
   if (!isMultiframe && !instances.every(instance => instance.ImagePositionPatient)) {
     messages.addMessage(DisplaySetMessage.CODES.NO_POSITION_INFORMATION);