Update Theia, CLI and LS (#610)

* Update Theia to 1.19.0

* update CLI to 0.20.0-rc3

* Add language selector to settings

* updated language server and vscode-arduino-tools

* update Language Server flags

* get cli port from config

* force native menu on windows

* pinned Language Server to rc2

* fix search icon

* update CLI version

arduino-ide-extension/src/browser/serial/monitor/monitor-view-contribution.tsx

@@ -10,7 +10,7 @@ import {
 import { ArduinoToolbar } from '../../toolbar/arduino-toolbar';
 import { SerialModel } from '../serial-model';
 import { ArduinoMenus } from '../../menu/arduino-menus';
-import { nls } from '@theia/core/lib/browser/nls';
+import { nls } from '@theia/core/lib/common';
 
 export namespace SerialMonitor {
   export namespace Commands {

arduino-ide-extension/src/browser/serial/monitor/monitor-widget.tsx

@@ -15,8 +15,8 @@ import { SerialModel } from '../serial-model';
 import { Serial, SerialConnectionManager } from '../serial-connection-manager';
 import { SerialMonitorSendInput } from './serial-monitor-send-input';
 import { SerialMonitorOutput } from './serial-monitor-send-output';
-import { nls } from '@theia/core/lib/browser/nls';
 import { BoardsServiceProvider } from '../../boards/boards-service-provider';
+import { nls } from '@theia/core/lib/common';
 
 @injectable()
 export class MonitorWidget extends ReactWidget {

arduino-ide-extension/src/browser/serial/monitor/serial-monitor-send-input.tsx

@@ -3,7 +3,7 @@ import { Key, KeyCode } from '@theia/core/lib/browser/keys';
 import { Board, Port } from '../../../common/protocol/boards-service';
 import { SerialConfig } from '../../../common/protocol/serial-service';
 import { isOSX } from '@theia/core/lib/common/os';
-import { nls } from '@theia/core/lib/browser/nls';
+import { nls } from '@theia/core/lib/common';
 
 export namespace SerialMonitorSendInput {
   export interface Props {