<kendo-dropdownlist> tabIndex issue

<!DOCTYPE html>
<html>
  <head>
    <title>Angular 2 QuickStart</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">

    <link rel="stylesheet" href="http://www.telerik.com/kendo-angular-ui/npm/node_modules//@telerik/kendo-theme-default/dist/all.css" />
    <!-- 1. Load libraries -->
    <!-- Polyfill(s) for older browsers -->
    <script src="https://unpkg.com/core-js/client/shim.min.js"></script>

    <script src="https://unpkg.com/zone.js@0.6.23?main=browser"></script>
    <script src="https://unpkg.com/reflect-metadata@0.1.3"></script>
    <script src="https://unpkg.com/systemjs@0.19.27/dist/system.src.js"></script>

    <!-- 2. Configure SystemJS -->
    <script src="systemjs.config.js"></script>
    <script>
      System.import('app').catch(function(err){ console.error(err); });
    </script>
  </head>

  <!-- 3. Display the application -->
  <body>
    <my-app>Loading...</my-app>
    
  </body>
</html>

(function (global) {
  var angularVersion = '2.0.0';

  System.config({
    // DEMO ONLY! REAL CODE SHOULD NOT TRANSPILE IN THE BROWSER
    transpiler: 'ts',
    typescriptOptions: {
      tsconfig: true
    },
    meta: {
      'typescript': {
        "exports": "ts"
      }
    },
    paths: {
      // paths serve as alias
      'npm:': 'https://unpkg.com/'
    },
    // map tells the System loader where to look for things
    map: {
      // our app is within the app folder
      app: 'app',
      '@progress': 'http://www.telerik.com/kendo-angular-ui/npm/node_modules/@progress',
      '@telerik': 'http://www.telerik.com/kendo-angular-ui/npm/node_modules/@telerik',

      // angular bundles
      '@angular/core': 'npm:@angular/core@' + angularVersion +'/bundles/core.umd.js',
      '@angular/common': 'npm:@angular/common@' + angularVersion +'/bundles/common.umd.js',
      '@angular/compiler': 'npm:@angular/compiler@' + angularVersion +'/bundles/compiler.umd.js',
      '@angular/platform-browser': 'npm:@angular/platform-browser@' + angularVersion +'/bundles/platform-browser.umd.js',
      '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@' + angularVersion +'/bundles/platform-browser-dynamic.umd.js',
      '@angular/http': 'npm:@angular/http@' + angularVersion +'/bundles/http.umd.js',
      '@angular/forms': 'npm:@angular/forms@' + angularVersion + '/bundles/forms.umd.js',
      '@angular/router': 'npm:@angular/router@3.0.0-rc.3/bundles/router.umd.js',

      // other libraries
      'rxjs':                       'npm:rxjs',
      'chroma-js':                  'npm:chroma-js@1.2.1',
      'angular2-in-memory-web-api': 'npm:angular2-in-memory-web-api',
      'ts':                         'npm:plugin-typescript@4.0.10/lib/plugin.js',
      'typescript':                 'npm:typescript@1.9.0-dev.20160409/lib/typescript.js'
    },
    // packages tells the System loader how to load when no filename and/or no extension
    packages: {
      "@progress/kendo-angular-dropdowns": {"main":"./dist/npm/js/main.js","defaultExtension":"js"},

      '@telerik/kendo-inputs-common': {
          defaultExtension: 'js',
          main: "./dist/npm/js/main.js"
      },
      '@telerik/kendo-draggable': {
          defaultExtension: 'js',
          main: "./dist/npm/js/Draggable.js"
      },
      '@telerik/kendo-dropdowns-common': {
          defaultExtension: 'js',
          main: "./dist/npm/js/main.js"
      },
      '@telerik/kendo-intl': {
          defaultExtension: 'js',
          main: "./dist/npm/js/main.js"
      },
      '@progress/kendo-angular-intl': {
          defaultExtension: 'js',
          main: "./dist/npm/js/main.js"
      },
      '@progress/kendo-angular-popup': {
          defaultExtension: 'js',
          main: "./dist/npm/js/main.js"
      },
      '@progress/kendo-charts': {
          defaultExtension: 'js',
          main: "./dist/npm/js/main.js"
      },
      '@progress/kendo-drawing': {
          defaultExtension: 'js',
          main: "./dist/npm/js/main.js"
      },
      '@progress/kendo-popup-common': {
          defaultExtension: 'js',
          main: "./dist/npm/js/main.js"
      },

      app: {
        main: './main.ts',
        defaultExtension: 'ts'
      },
      rxjs: {
        defaultExtension: 'js'
      },
      'angular2-in-memory-web-api': {
        main: './index.js',
        defaultExtension: 'js'
      }
    }
  });
})(this);

import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';

import { AppModule } from './app.module';

const platform = platformBrowserDynamic();
platform.bootstrapModule(AppModule);

import { Component } from '@angular/core';

@Component({
  selector: 'my-app',
  template: `
    <input value="test" tabIndex="1">
    <input value="test" tabIndex="2">
    <input value="test" tabIndex="3">
    <input value="test" tabIndex="4">
    <kendo-dropdownlist [data]="listItems0" tabIndex="5">
    </kendo-dropdownlist>
    <kendo-dropdownlist [data]="listItems1" tabIndex="6">
    </kendo-dropdownlist>
    <kendo-dropdownlist [data]="listItems2" tabIndex="7">
    </kendo-dropdownlist>
    <kendo-dropdownlist [data]="listItems3" tabIndex="8">
    </kendo-dropdownlist>
  `
})
export class AppComponent {
    public listItems0: Array<string> = ["Item 1", "Item 2", "Item 3", "Item 4"];
    public listItems1: Array<string> = ["Item 1", "Item 2", "Item 3", "Item 4"];
    public listItems2: Array<string> = ["Item 1", "Item 2", "Item 3", "Item 4"];
    public listItems3: Array<string> = ["Item 1", "Item 2", "Item 3", "Item 4"];
}

import { NgModule }      from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { HttpModule } from '@angular/http';
import { DropDownsModule } from '@progress/kendo-angular-dropdowns';

import { AppComponent }   from './app.component';

@NgModule({
  imports:      [ BrowserModule, HttpModule, DropDownsModule ],
  declarations: [ AppComponent ],
  bootstrap:    [ AppComponent ]
})

export class AppModule { }

{
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": false,
    "noImplicitAny": true,
    "suppressImplicitAnyIndexErrors": true
  }
}