fix(oui-chips): fix items attribute bindings

packages/oui-chips/README.md

@@ -51,7 +51,7 @@
 
 | Attribute     | Type      | Binding   | One-time Binding  | Values            | Default   | Description
 | ----          | ----      | ----      | ----              | ----              | ----      | ----
-| `items`       | object    | <         | no                | n/a               | n/a       | items bound to component
+| `items`       | object    | =         | no                | n/a               | n/a       | items bound to component
 | `closable`    | boolean   | <?        | yes               | `true`, `false`   | `false`   | closable flag
 | `stacked`     | boolean   | <?        | yes               | `true`, `false`   | `false`   | stacked flag
 | `on-remove`   | function  | &         | no                | n/a               | n/a       | handler triggered when items are removed

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

@@ -8,7 +8,7 @@ export default {
     template,
     controller,
     bindings: {
-        items: "<",
+        items: "=",
         closable: "<?",
         stacked: "<?",
         onRemove: "&"

packages/oui-chips/src/chips.html

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