fix imports

apps/remix-ide/src/app/components/plugin-manager-component.js

@@ -1,10 +1,12 @@
-import { ViewPlugin, IframePlugin, WebsocketPlugin } from '@remixproject/engine'
 import { PluginManagerSettings } from './plugin-manager-settings'
-import * as packageJson from '../../../../../package.json'
 const yo = require('yo-yo')
 const csjs = require('csjs-inject')
 const EventEmitter = require('events')
 const LocalPlugin = require('./local-plugin')
+import { IframePlugin, WebsocketPlugin } from '@remixproject/engine-web'
+import { ViewPlugin } from '@remixproject/engine'
+import { PluginManagerSettings } from './plugin-manager-settings'
+import * as packageJson from '../../../../../package.json'
 const addToolTip = require('../ui/tooltip')
 
 const css = csjs`