tailscale: update tailfs file and package names (#11590)

This change updates the tailfs file and package names to their new
naming convention.

Updates #tailscale/corp#16827

Signed-off-by: Charlotte Brandhorst-Satzkorn <charlotte@tailscale.com>

ipn/ipn_clone.go

@@ -9,8 +9,8 @@ import (
 	"maps"
 	"net/netip"
 
+	"tailscale.com/drive"
 	"tailscale.com/tailcfg"
-	"tailscale.com/tailfs"
 	"tailscale.com/types/persist"
 	"tailscale.com/types/preftype"
 )
@@ -26,7 +26,7 @@ func (src *Prefs) Clone() *Prefs {
 	dst.AdvertiseTags = append(src.AdvertiseTags[:0:0], src.AdvertiseTags...)
 	dst.AdvertiseRoutes = append(src.AdvertiseRoutes[:0:0], src.AdvertiseRoutes...)
 	if src.TailFSShares != nil {
-		dst.TailFSShares = make([]*tailfs.Share, len(src.TailFSShares))
+		dst.TailFSShares = make([]*drive.Share, len(src.TailFSShares))
 		for i := range dst.TailFSShares {
 			dst.TailFSShares[i] = src.TailFSShares[i].Clone()
 		}
@@ -63,7 +63,7 @@ var _PrefsCloneNeedsRegeneration = Prefs(struct {
 	AppConnector           AppConnectorPrefs
 	PostureChecking        bool
 	NetfilterKind          string
-	TailFSShares           []*tailfs.Share
+	TailFSShares           []*drive.Share
 	Persist                *persist.Persist
 }{})