set a list of module that cant be deactivated

src/app/compiler/compiler-artefacts.js

@@ -7,8 +7,7 @@ const profile = {
   name: 'compilerArtefacts',
   methods: [],
   events: [],
-  version: packageJson.version,
-  required: true
+  version: packageJson.version
 }
 
 module.exports = class CompilerArtefacts extends Plugin {

src/app/components/hidden-panel.js

@@ -13,8 +13,7 @@ const profile = {
   name: 'hiddenPanel',
   displayName: 'Hidden Panel',
   description: '',
-  version: packageJson.version,
-  required: true
+  version: packageJson.version
 }
 
 export class HiddenPanel extends AbstractPanel {

src/app/components/main-panel.js

@@ -16,8 +16,7 @@ const profile = {
   displayName: 'Main Panel',
   description: '',
   version: packageJson.version,
-  methods: ['addView', 'removeView'],
-  required: true
+  methods: ['addView', 'removeView']
 }
 
 export class MainPanel extends AbstractPanel {

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

@@ -59,8 +59,7 @@ const profile = {
   kind: 'settings',
   location: 'sidePanel',
   documentation: 'https://remix-ide.readthedocs.io/en/latest/plugin_manager.html',
-  version: packageJson.version,
-  required: true
+  version: packageJson.version
 }
 
 class PluginManagerComponent extends ViewPlugin {
@@ -146,7 +145,7 @@ class PluginManagerComponent extends ViewPlugin {
   render () {
     // Filtering helpers
     const isFiltered = (api) => api.name.toLowerCase().includes(this.filter)
-    const isNotRequired = ({profile}) => !profile.required
+    const isNotRequired = ({profile}) => !this.appManager.isRequired(profile.name)
     const sortByName = (a, b) => {
       const nameA = a.name.toUpperCase()
       const nameB = b.name.toUpperCase()

src/app/components/side-panel.js

@@ -55,8 +55,7 @@ const sidePanel = {
   displayName: 'Side Panel',
   description: '',
   version: packageJson.version,
-  methods: ['addView', 'removeView'],
-  required: true
+  methods: ['addView', 'removeView']
 }
 
 // TODO merge with vertical-icons.js

src/app/components/vertical-icons.js

@@ -12,8 +12,7 @@ const profile = {
   displayName: 'Vertical Icons',
   description: '',
   version: packageJson.version,
-  methods: ['select'],
-  required: true
+  methods: ['select']
 }
 
 // TODO merge with side-panel.js. VerticalIcons should not be a plugin

src/app/editor/SourceHighlighters.js

@@ -9,8 +9,7 @@ const profile = {
   name: 'sourceHighlighters',
   description: 'service - highlight source code',
   version: packageJson.version,
-  methods: ['highlight', 'discardHighlight'],
-  required: true
+  methods: ['highlight', 'discardHighlight']
 }
 
 // EditorApi:

src/app/editor/contextualListener.js

@@ -12,8 +12,7 @@ const profile = {
   name: 'contextualListener',
   methods: [],
   events: [],
-  version: packageJson.version,
-  required: true
+  version: packageJson.version
 }
 
 /*

src/app/files/compiler-metadata.js

@@ -8,8 +8,7 @@ const profile = {
   name: 'compilerMetadata',
   methods: ['deployMetadataOf'],
   events: [],
-  version: packageJson.version,
-  required: true
+  version: packageJson.version
 }
 
 class CompilerMetadata extends Plugin {

src/app/files/fileManager.js

@@ -23,8 +23,7 @@ const profile = {
   icon: 'data:image/svg+xml;base64,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',
   permission: true,
   version: packageJson.version,
-  methods: ['getFolder', 'getCurrentFile', 'getFile', 'setFile', 'switchFile'],
-  required: true
+  methods: ['getFolder', 'getCurrentFile', 'getFile', 'setFile', 'switchFile']
 }
 
 // File System profile

src/app/panels/file-panel.js

@@ -37,8 +37,7 @@ const profile = {
   kind: 'fileexplorer',
   location: 'sidePanel',
   documentation: 'https://remix-ide.readthedocs.io/en/latest/file_explorer.html',
-  version: packageJson.version,
-  required: true
+  version: packageJson.version
 }
 
 module.exports = class Filepanel extends ViewPlugin {

src/app/panels/terminal.js

@@ -34,7 +34,6 @@ const profile = {
   methods: [],
   events: [],
   description: ' - ',
-  required: true,
   version: packageJson.version
 }
 

src/app/tabs/network-module.js

@@ -6,8 +6,7 @@ export const profile = {
   name: 'network',
   description: 'Manage the network (mainnet, ropsten, goerli...) and the provider (web3, vm, injected)',
   methods: [],
-  version: packageJson.version,
-  required: true
+  version: packageJson.version
 }
 
 // Network API has :

src/app/tabs/theme-module.js

@@ -21,8 +21,7 @@ const profile = {
   name: 'theme',
   events: ['themeChanged'],
   methods: ['switchTheme', 'getThemes', 'currentTheme'],
-  version: packageJson.version,
-  required: true
+  version: packageJson.version
 }
 
 export class ThemeModule extends Plugin {

src/lib/offsetToLineColumnConverter.js

@@ -7,8 +7,7 @@ const profile = {
   name: 'offsetToLineColumnConverter',
   methods: [],
   events: [],
-  version: packageJson.version,
-  required: true
+  version: packageJson.version
 }
 
 export class OffsetToLineColumnConverter extends Plugin {

src/remixAppManager.js

@@ -3,6 +3,11 @@ import { PluginEngine, IframePlugin } from '@remixproject/engine'
 import { EventEmitter } from 'events'
 import { PermissionHandler } from './app/ui/persmission-handler'
 
+const requiredModules = [ // services + layout views + system views
+  'compilerArtefacts', 'compilerMetadata', 'contextualListener', 'sourceHighlighters', 'offsetToLineColumnConverter', 'network', 'theme', 'fileManager', 'contentImport', 'udapp',
+  'mainPanel', 'hiddenPanel', 'sidePanel', 'menuicons', 'fileExplorers',
+  'terminal', 'home', 'settings', 'pluginManager']
+
 export class RemixAppManager extends PluginEngine {
 
   constructor (plugins) {
@@ -54,6 +59,15 @@ export class RemixAppManager extends PluginEngine {
     this.event.emit('ensureDeactivated', apiName)
   }
 
+  deactivateOne (name) {
+    if (requiredModules.includes(name)) return
+    super.deactivateOne(name)
+  }
+
+  isRequired (name) {
+    return requiredModules.includes(name)
+  }
+
   registeredPlugins () {
     let vyper = {
       name: 'vyper',