Rename :supports_filter to :supported_features_filter
Rename :supports_filter to :supported_features_filter

In order to be more clear as to what the filter does and not confuse folks into
thinking that it supports a new feature named "filter" - rename the filter
to :supported_features_filter.
(transferred from ManageIQ/manageiq@7ec91d9714fb2d7b7341b5b95d758cb0e49b7c75)

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