Project dashboard: Fix user label overflow

Adds text-overflow for long user names on project dashboard
CLOUDSTACK-7809: UI > remove usage of g_mySession which is unnecessary.
there is no transaction context during the mgt server start, thus causing transaction.close will delete op_lock table if aquireinlocktable is called Reviewed-by: Anthony and Min
MTU should be put on storage network: eth3, instead of eth1 Reviewed-by: Frank