feat(App): Loads mode extensions on demand (#3312)

* feat: Dynamic plugin imports

* Remove unused file

* Fix basic dev mode

* Fix the modes issue that Joe requested

* Merge fixes

* Add the ability to publish directory contents

* PR review changes

---------

modes/basic-dev-mode/src/index.js

@@ -10,7 +10,6 @@ const configs = {
 const ohif = {
   layout: '@ohif/extension-default.layoutTemplateModule.viewerLayout',
   sopClassHandler: '@ohif/extension-default.sopClassHandlerModule.stack',
-  hangingProtocol: '@ohif/extension-default.hangingProtocolModule.default',
   measurements: '@ohif/extension-default.panelModule.measure',
   thumbnailList: '@ohif/extension-default.panelModule.seriesList',
 };
@@ -47,8 +46,8 @@ const extensionDependencies = {
 function modeFactory({ modeConfiguration }) {
   return {
     id,
-    routeName: 'viewer',
-    displayName: 'Basic Viewer CS3D',
+    routeName: 'dev',
+    displayName: 'Basic Dev Viewer',
     /**
      * Lifecycle hooks
      */
@@ -134,6 +133,15 @@ function modeFactory({ modeConfiguration }) {
         'MoreTools',
       ]);
     },
+    onModeExit: ({ servicesManager }) => {
+      const {
+        toolGroupService,
+        measurementService,
+        toolbarService,
+      } = servicesManager.services;
+
+      toolGroupService.destroy();
+    },
     validationTags: {
       study: [],
       series: [],
@@ -177,7 +185,7 @@ function modeFactory({ modeConfiguration }) {
       },
     ],
     extensions: extensionDependencies,
-    hangingProtocol: [ohif.hangingProtocol],
+    hangingProtocol: 'default',
     sopClassHandlers: [
       dicomvideo.sopClassHandler,
       ohif.sopClassHandler,