feat: Add a new hanging protocol @ohif/mn (#3305)

* feat: Add a new hanging protocol @ohif/mn

* Add @ohif/seg example

* PR comments and a couple more fixes to make things cleaner

* PR comment

* Added an example to cause the PR checks to rerun

extensions/test-extension/src/index.tsx

@@ -2,14 +2,11 @@ import { Types } from '@ohif/core';
 
 import { id } from './id';
 
-import getHangingProtocolModule from './hp';
 import getCustomizationModule from './getCustomizationModule';
 // import {setViewportZoomPan, storeViewportZoomPan } from './custom-viewport/setViewportZoomPan';
 import sameAs from './custom-attribute/sameAs';
 import numberOfDisplaySets from './custom-attribute/numberOfDisplaySets';
-import numberOfDisplaySetsWithImages from './custom-attribute/numberOfDisplaySetsWithImages';
 import maxNumImageFrames from './custom-attribute/maxNumImageFrames';
-import seriesDescriptionsFromDisplaySets from './custom-attribute/seriesDescriptionsFromDisplaySets';
 
 /**
  * The test extension provides additional behaviour for testing various
@@ -31,21 +28,11 @@ const testExtension: Types.Extensions.Extension = {
    */
   preRegistration: ({ servicesManager }: Types.Extensions.ExtensionParams) => {
     const { hangingProtocolService } = servicesManager.services;
-    hangingProtocolService.addCustomAttribute(
-      'seriesDescriptions',
-      'Series Descriptions',
-      seriesDescriptionsFromDisplaySets
-    );
     hangingProtocolService.addCustomAttribute(
       'numberOfDisplaySets',
       'Number of displays sets',
       numberOfDisplaySets
     );
-    hangingProtocolService.addCustomAttribute(
-      'numberOfDisplaySetsWithImages',
-      'Number of displays sets with images',
-      numberOfDisplaySetsWithImages
-    );
     hangingProtocolService.addCustomAttribute(
       'maxNumImageFrames',
       'Maximum of number of image frames',
@@ -58,9 +45,6 @@ const testExtension: Types.Extensions.Extension = {
     );
   },
 
-  /** Registers some additional hanging protocols.  See hp/index.tsx for more details */
-  getHangingProtocolModule,
-
   /** Registers some customizations */
   getCustomizationModule,
 };