mail: Fix crash when accessing server settings for unfinished accounts

import java.util.List;

import java.util.stream.Collectors;

import android.accounts.AccountManager;

import android.content.ContentResolver;

            List<Account> accounts = preferences.getAccounts();

            deleteIncompleteAccounts(accounts, accountRemover);

            // deleteIncompleteAccounts is asynchronous.

            // The second time we call preferences.getAccounts()

            // The accounts might not yet be removed

            List<Account> finalAccounts = accounts.stream()

                .filter(Account::isFinishedSetup)

                .collect(Collectors.toList());

            loadEeloAccounts(context, accounts, accountManager, jobManager);

            loadEeloAccounts(context, finalAccounts, accountManager, jobManager);

            AccountManagerConstants.INSTANCE.getOPENID_ACCOUNT_TYPES()

                .forEach(accountType -> loadOpenIdAccounts(context, accountType, accounts, accountManager, jobManager));

                .forEach(accountType -> loadOpenIdAccounts(context, accountType, finalAccounts, accountManager, jobManager));

        } catch (SecurityException e) {

            Timber.e(e, "Failed to load accounts from accountManager because of security violation");

        }