Yes, I see in Request: autoconnect of `network-setup-control` for network-manager snap this was granted and I can confirm it is already in the snap declaration:
$ http https://api.snapcraft.io/v2/snaps/info/network-manager Snap-Device-Series:16 | jq -r '."snap-id"'
RmBXKl6HO6YOC2DE4G2q1JzWImC04EUy
$ snap known --remote snap-declaration series=16 snap-id=RmBXKl6HO6YOC2DE4G2q1JzWImC04EUy
...
plugs:
...
network-setup-control:
allow-auto-connection: true
...