[sociald] Fix to run account clean-ups via purgeDataForOldAccounts(). Contributes to JB#19091
[sociald] Fix to run account clean-ups via purgeDataForOldAccounts(). Contributes to JB#19091

m_profileAccountId and m_socialNetworkSyncAdaptor need to be set
to valid values.

rainisto/buteo-sync-plugins-social,rainisto/buteo-sync-plugins-social