Implemented closeAllPorts

Author: csarnataro

es/web-serial-daemon.js

@@ -115,6 +115,7 @@ var WebSerialDaemon = /*#__PURE__*/function (_Daemon) {
     key: "closeAllPorts",
     value: function closeAllPorts() {
       console.log('should be closing serial ports here');
+      this.uploader.closeAllPorts();
     }
     /**
      * Request serial port open

src/web-serial-daemon.js

@@ -70,6 +70,7 @@ export default class WebSerialDaemon extends Daemon {
   // eslint-disable-next-line class-methods-use-this
   closeAllPorts() {
     console.log('should be closing serial ports here');
+    this.uploader.closeAllPorts();
   }
 
   /**