[MM-15270] Add Team.InviteId sanitization (#12952)

* Filter out InviteId in Team sanitize function

* Keep InviteId for authorized users

* Update team sanitization tests

* Improve tests and revert conflicting lines

model/team.go

@@ -268,6 +268,7 @@ func CleanTeamName(s string) string {
 
 func (o *Team) Sanitize() {
 	o.Email = ""
+	o.InviteId = ""
 }
 
 func (t *Team) Patch(patch *TeamPatch) {