fixed local plugin registration

src/app.js

@@ -315,7 +315,7 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   const landingPage = new LandingPage(appManager, menuicons)
   const sidePanel = new SidePanel(appManager, menuicons)
   const hiddenPanel = new HiddenPanel()
-  const pluginManagerComponent = new PluginManagerComponent(appManager)
+  const pluginManagerComponent = new PluginManagerComponent(appManager, engine)
   const filePanel = new FilePanel(appManager)
   let settings = new SettingsTab(
     registry.get('config').api,

src/app/components/local-plugin.js

@@ -9,7 +9,6 @@ const defaultProfile = {
 }
 
 module.exports = class LocalPlugin {
-
   /**
    * Open a modal to create a local plugin
    * @param {Profile[]} plugins The list of the plugins in the store

src/app/components/plugin-manager-component.js

@@ -72,7 +72,7 @@ const profile = {
 
 class PluginManagerComponent extends ViewPlugin {
 
-  constructor (appManager) {
+  constructor (appManager, engine) {
     super(profile)
     this.event = new EventEmitter()
     this.appManager = appManager
@@ -85,6 +85,7 @@ class PluginManagerComponent extends ViewPlugin {
     this.appManager.event.on('activate', () => { this.reRender() })
     this.appManager.event.on('deactivate', () => { this.reRender() })
     this.appManager.event.on('added', () => { this.reRender() })
+    this.engine = engine
   }
 
   isActive (name) {
@@ -149,10 +150,9 @@ class PluginManagerComponent extends ViewPlugin {
       if (this.appManager.getIds().includes(profile.name)) {
         throw new Error('This name has already been used')
       }
-
       const plugin = profile.type === 'iframe' ? new IframePlugin(profile) : new WebsocketPlugin(profile)
-      this.appManager.registerOne(plugin)
-      this.appManager.activatePlugin(profile.name)
+      this.engine.register(plugin)
+      this.appManager.activatePlugin(plugin.name)
     } catch (err) {
       // TODO : Use an alert to handle this error instead of a console.log
       console.log(`Cannot create Plugin : ${err.message}`)