Token is not team and guest then error (#15193)

app/team.go

@@ -1469,7 +1469,7 @@ func (a *App) GetTeamIdFromQuery(query url.Values) (string, *model.AppError) {
 			return "", model.NewAppError("GetTeamIdFromQuery", "api.oauth.singup_with_oauth.invalid_link.app_error", nil, "", http.StatusBadRequest)
 		}
 
-		if token.Type != TOKEN_TYPE_TEAM_INVITATION {
+		if token.Type != TOKEN_TYPE_TEAM_INVITATION && token.Type != TOKEN_TYPE_GUEST_INVITATION {
 			return "", model.NewAppError("GetTeamIdFromQuery", "api.oauth.singup_with_oauth.invalid_link.app_error", nil, "", http.StatusBadRequest)
 		}