change XS log file name from vmops.log to cloud.log
List view: Fix action pre-filter for multiselect actions

Evaluates pre-filter for individual actions (i.e., when action.preFilter is specified)
every time a multi-select row is checked orunchecked. This allows multi-select
actions to be shown/hidden on a per-row basis.
CLOUDSTACK-6710: Add missing OS mappings