accountComboBox: provide initial value for account status

If the account is initially disabled, the presense indicator
will still show the green color since the initial value is missed.

Change-Id: Ic580e485d4a73867789ef3774045a6939acbae4a

src/mainview/components/AccountComboBox.qml

@@ -132,6 +132,9 @@ Label {
 
             imageId: LRCInstance.currentAccountId
             mode: Avatar.Mode.Account
+
+            presenceStatus: AccountListModel.data(
+                                AccountListModel.index(0, 0), AccountList.Status)
         }
 
         ColumnLayout {