Include api_version when calling raw_connect for vCloud
Include api_version when calling raw_connect for vCloud

This is a followup commit to reflect changes done on VMware vCloud repo
where we now actually use API version. Signature of `raw_connect` has
changed hence we need to update the GUI as well.

Signed-off-by: Miha Pleško <e42a14dbca5c0965023849a10306da025a317640@xlab.si>

ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic