fix: remove array literal from template

Author: crisbeto

src/demo-app/select/select-demo.html

@@ -43,7 +43,7 @@
       <p> Touched: {{ pokemonControl.touched }} </p>
       <p> Dirty: {{ pokemonControl.dirty }} </p>
       <p> Status: {{ pokemonControl.control?.status }} </p>
-      <button md-button (click)="currentPokemon=['eevee-4', 'psyduck-6']">SET VALUE</button>
+      <button md-button (click)="setPokemonValue()">SET VALUE</button>
       <button md-button (click)="pokemonRequired=!pokemonRequired">TOGGLE REQUIRED</button>
       <button md-button (click)="pokemonDisabled=!pokemonDisabled">TOGGLE DISABLED</button>
       <button md-button (click)="pokemonControl.reset()">RESET</button>

src/demo-app/select/select-demo.ts

@@ -51,4 +51,8 @@ export class SelectDemo {
   toggleDisabled() {
     this.foodControl.enabled ? this.foodControl.disable() : this.foodControl.enable();
   }
+
+  setPokemonValue() {
+    this.currentPokemon = ['eevee-4', 'psyduck-6'];
+  }
 }