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/prefs.go

@@ -18,11 +18,11 @@ import (
 	"strings"
 
 	"tailscale.com/atomicfile"
+	"tailscale.com/drive"
 	"tailscale.com/ipn/ipnstate"
 	"tailscale.com/net/netaddr"
 	"tailscale.com/net/tsaddr"
 	"tailscale.com/tailcfg"
-	"tailscale.com/tailfs"
 	"tailscale.com/types/opt"
 	"tailscale.com/types/persist"
 	"tailscale.com/types/preftype"
@@ -227,7 +227,7 @@ type Prefs struct {
 
 	// TailFSShares are the configured TailFSShares, stored in increasing order
 	// by name.
-	TailFSShares []*tailfs.Share
+	TailFSShares []*drive.Share
 
 	// The Persist field is named 'Config' in the file for backward
 	// compatibility with earlier versions.
@@ -564,7 +564,7 @@ func (p *Prefs) Equals(p2 *Prefs) bool {
 		p.AutoUpdate.Equals(p2.AutoUpdate) &&
 		p.AppConnector == p2.AppConnector &&
 		p.PostureChecking == p2.PostureChecking &&
-		slices.EqualFunc(p.TailFSShares, p2.TailFSShares, tailfs.SharesEqual) &&
+		slices.EqualFunc(p.TailFSShares, p2.TailFSShares, drive.SharesEqual) &&
 		p.NetfilterKind == p2.NetfilterKind
 }