fix(oui-chips): fix item removal (#279)

Author: AxelPeter

packages/oui-chips/src/chips.controller.js

@@ -1,4 +1,4 @@
-import { addBooleanParameter } from "@ovh-ui/common/component-utils";
+import { addBooleanParameter, addDefaultParameter } from "@ovh-ui/common/component-utils";
 
 export default class {
     constructor ($attrs, $element, $timeout) {
@@ -12,8 +12,7 @@ export default class {
     $onInit () {
         addBooleanParameter(this, "closable");
         addBooleanParameter(this, "stacked");
-
-        this.items = this.items ? angular.copy(this.items) : [];
+        addDefaultParameter(this, "item", []);
     }
 
     $postLink () {

packages/oui-chips/src/chips.html

@@ -1,5 +1,5 @@
 <span class="oui-chip"
-    ng-repeat="item in $ctrl.items track by $index"
+    ng-repeat="item in $ctrl.items"
     ng-class="::{
         'oui-chip_closable': !!$ctrl.closable,
         'oui-chip_full-width': !!$ctrl.stacked