Showing network list of a specific network manager
Showing network list of a specific network manager

Showing the network list via the context of a specific network manager
led to 'undefined method `rbac_params' for EmsNetworkController' error.
This patch fixes it.

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