Invalidate Guest invites too on invalidate email invates (#11696)

* Invalidate Guest invites too on invalidate invates

* Adding tests for invalidate email invites

app/team.go

@@ -1430,5 +1430,8 @@ func (a *App) InvalidateAllEmailInvites() *model.AppError {
 	if err := a.Srv.Store.Token().RemoveAllTokensByType(TOKEN_TYPE_TEAM_INVITATION); err != nil {
 		return model.NewAppError("InvalidateAllEmailInvites", "api.team.invalidate_all_email_invites.app_error", nil, err.Error(), http.StatusBadRequest)
 	}
+	if err := a.Srv.Store.Token().RemoveAllTokensByType(TOKEN_TYPE_GUEST_INVITATION); err != nil {
+		return model.NewAppError("InvalidateAllEmailInvites", "api.team.invalidate_all_email_invites.app_error", nil, err.Error(), http.StatusBadRequest)
+	}
 	return nil
 }