Fixed price amount changing on save

no refs

On (un)archiving a price, the visible amount for a price fluctuated till the save was completed due to incorrect amount calculation, fixed here.

ghost/admin/app/controllers/settings/product.js

@@ -89,12 +89,14 @@ export default class ProductController extends Controller {
     @action
     async archivePrice(price) {
         price.active = false;
+        price.amount = price.amount * 100;
         this.send('savePrice', price);
     }
 
     @action
     async activatePrice(price) {
         price.active = true;
+        price.amount = price.amount * 100;
         this.send('savePrice', price);
     }