Fix workflow upgrade command (#14824)

While upgrading to 1.7.0, we are facing an error in the workflow version
upgrade for outdated workflow versions. Fixing the command

packages/twenty-server/src/database/commands/upgrade-version-command/1-7/1-7-backfill-workflow-manual-trigger-availability.command.ts

@@ -41,7 +41,7 @@ export class BackfillWorkflowManualTriggerAvailabilityCommand extends ActiveOrSu
     for (const workflowVersion of workflowVersions) {
       const { trigger } = workflowVersion;
 
-      if (trigger.type !== WorkflowTriggerType.MANUAL) {
+      if (!isDefined(trigger) || trigger?.type !== WorkflowTriggerType.MANUAL) {
         continue;
       }