vsi->current_netdev_flags is used store the current net device
flags, not the active netdevice features. So it should use
vsi->netdev->featurs, rather than vsi->current_netdev_flags
to check NETIF_F_HW_VLAN_CTAG_FILTER.

Fixes: 1babaf77 ("ice: Advertise 802.1ad VLAN filtering and offloads for PF netdev")
Signed-off-by: NJian Shen <shenjian15@huawei.com>
Signed-off-by: NGuangbin Huang <huangguangbin2@huawei.com>
Acked-by: NTony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: NJakub Kicinski <kuba@kernel.org>