Fix promise error handling.

src/accounts/accountList.component.ts

@@ -121,6 +121,7 @@ export class AccountListComponent {
 
         modal.result.then((account: Account) => {
             this.delete(account);
+        }, (reason) => function(reason) {
         });
     };
 
@@ -157,6 +158,7 @@ export class AccountListComponent {
         modal.result.then((account: Account) => {
             this.Logger.log("Modal closed => save account", account);
             this.save(account);
+        }, (reason) => function(reason) {
         });
     };
 };