fix tenant account unbind flow

server/internal/tenant/app/publish_job_service.go

@@ -157,6 +157,9 @@ func (s *PublishJobService) Create(ctx context.Context, actor auth.Actor, req Cr
 			}
 			return nil, response.ErrInternal(50098, "desktop_account_lookup_failed", "failed to load selected desktop account")
 		}
+		if account.DeletedAt != nil || account.DeleteRequestedAt != nil {
+			return nil, response.ErrBadRequest(40093, "desktop_account_not_found", "one or more selected desktop accounts are being unbound or no longer exist")
+		}
 		accountHealth := account.Health
 		if report, ok := runtimeHealth[account.DesktopID]; ok && strings.TrimSpace(report.Health) != "" {
 			accountHealth = effectiveDesktopAccountRuntimeHealth(report)