smartpanel : adds ui for ring accounts edition

Change-Id: Id773083f7266ea45593f80ea6ec595c90bf0b04c
Tuleap: #1243
diff --git a/AccountListItemsViewModel.cpp b/AccountListItemsViewModel.cpp
index 4f39c18..ce72035 100644
--- a/AccountListItemsViewModel.cpp
+++ b/AccountListItemsViewModel.cpp
@@ -50,3 +50,13 @@
 {

     itemsList_->Clear();

 }

+

+AccountListItem^

+RingClientUWP::ViewModel::AccountListItemsViewModel::findItem(String^ accountId)

+{

+    for each (AccountListItem^ item in itemsList_)

+        if (item->_account->accountID_ == accountId)

+            return item;

+

+    return nullptr;

+}