Replace PidginAccountsDisabledMenu with PidginInactiveAccountsMenu which is a GMenuModel subclass.
Review Request #1366 — Created March 22, 2022 and submitted — Latest diff uploaded
This gives us a bit more control as we are always in control of the attributes, so we don't need to modify the menu in place. This also made it trivial to add the protocol icons which are very helpful when you have the same user name on multiple protocols.
Enabled and disabled two accounts a lot while under valgrind.