Fix bugs which prevents loading multi-frame instances with custom image loaders

- Construct image id based on frame (if defined) for custom image loaders as well
- Use DICOMFileLoadingListener for multi-frame images and image loaders except wado

Packages/ohif-viewerbase/client/lib/classes/StudyLoadingListener.js

@@ -373,7 +373,7 @@ class StudyLoadingListener {
         // how many frames has already been loaded (bytes/s instead of frames/s).
         if ((schema === 'wadors') || !stackMetaData.isMultiFrame) {
             return new StackLoadingListener(stack);
-        } else if ((schema === 'dicomweb') || (schema === 'wadouri')) {
+        } else {
             return new DICOMFileLoadingListener(stack);
         }
     }

Packages/ohif-viewerbase/client/lib/getImageId.js

@@ -1,5 +1,17 @@
 import { getWADORSImageId } from './getWADORSImageId';
 
+// https://stackoverflow.com/a/6021027/3895126
+function updateQueryStringParameter(uri, key, value) {
+    var re = new RegExp("([?&])" + key + "=.*?(&|$)", "i");
+    var separator = uri.indexOf('?') !== -1 ? "&" : "?";
+    if (uri.match(re)) {
+        return uri.replace(re, '$1' + key + "=" + value + '$2');
+    }
+    else {
+        return uri + separator + key + "=" + value;
+    }
+}
+
 /**
  * Obtain an imageId for Cornerstone from an image instance
  *
@@ -14,6 +26,10 @@ export function getImageId(instance, frame, thumbnail) {
     }
 
     if (instance.url) {
+        if (frame !== undefined) {
+            instance.url = updateQueryStringParameter(instance.url, 'frame', frame);
+        }
+
         return instance.url;
     }