Add a option "--user-type bot" to admin user create, improve role display (#27885)

Partially solve #13044

Fix #33295

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Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

models/user/user_system.go

@@ -56,7 +56,7 @@ func NewActionsUser() *User {
 		Email:                   ActionsUserEmail,
 		KeepEmailPrivate:        true,
 		LoginName:               ActionsUserName,
-		Type:                    UserTypeIndividual,
+		Type:                    UserTypeBot,
 		AllowCreateOrganization: true,
 		Visibility:              structs.VisibleTypePublic,
 	}