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/electron-main/theia/electron-main-application.ts

@@ -17,6 +17,7 @@ import {
   TheiaBrowserWindowOptions,
 } from '@theia/core/lib/electron-main/electron-main-application';
 import { SplashServiceImpl } from '../splash/splash-service-impl';
+import { ipcMain } from '@theia/core/shared/electron';
 
 app.commandLine.appendSwitch('disable-http-cache');
 
@@ -35,6 +36,20 @@ export class ElectronMainApplication extends TheiaElectronMainApplication {
     return super.start(config);
   }
 
+  protected getTitleBarStyle(): 'native' | 'custom' {
+    return 'native';
+  }
+
+  protected hookApplicationEvents(): void {
+    app.on('will-quit', this.onWillQuit.bind(this));
+    app.on('second-instance', this.onSecondInstance.bind(this));
+    app.on('window-all-closed', this.onWindowAllClosed.bind(this));
+
+    ipcMain.on('restart', ({ sender }) => {
+      this.restart(sender.id);
+    });
+  }
+
   /**
    * Use this rather than creating `BrowserWindow` instances from scratch, since some security parameters need to be set, this method will do it.
    *