MM-56752 (#26100)

* using token

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

server/public/model/token.go

@@ -11,6 +11,7 @@ const (
 	TokenSize          = 64
 	MaxTokenExipryTime = 1000 * 60 * 60 * 48 // 48 hour
 	TokenTypeOAuth     = "oauth"
+	TokenTypeSaml      = "saml"
 )
 
 type Token struct {