test: add accountDetailsChanged signal

To differentiate from accountStatusChanged

accountStatusChanged is emitted in onAccountDetailsChanged
any client code that actually depends on accountDetails and
connects to accountStatusChanged should switch the connection
to listen for accountDetailsChanged

Change-Id: I131493b831a2a6d32fae67c5c1af798a066e38a7

src/api/newaccountmodel.h

@@ -271,6 +271,11 @@ Q_SIGNALS:
      * @param accountID
      */
     void accountStatusChanged(const QString& accountID);
+    /**
+     * Connect this signal to know when the details of an account has changed.
+     * @param accountID
+     */
+    void accountDetailsChanged(const QString& accountID);
     /**
      * Connect this signal to know when an account was added.
      * @param accountID

src/newaccountmodel.cpp

@@ -566,7 +566,9 @@ NewAccountModelPimpl::slotAccountDetailsChanged(const QString& accountId,
         accountInfo.registeredName = new_username;
         emit linked.profileUpdated(accountId);
     }
+    // TODO: Remove accountStatusChanged here.
     emit linked.accountStatusChanged(accountId);
+    emit linked.accountDetailsChanged(accountId);
 }
 
 void