fix(plugin-workflow): fix sync collection trigger transaction (#3437)

packages/plugins/@nocobase/plugin-workflow/src/server/triggers/CollectionTrigger.ts

@@ -85,17 +85,23 @@ async function handler(this: CollectionTrigger, workflow: WorkflowModel, data: M
   // TODO: `result.toJSON()` throws error
   const json = toJSON(result);
 
-  const promise = this.workflow.trigger(
-    workflow,
-    { data: json },
-    {
-      context,
-      transaction,
-    },
-  );
-
   if (workflow.sync) {
-    await promise;
+    await this.workflow.trigger(
+      workflow,
+      { data: json },
+      {
+        context,
+        transaction,
+      },
+    );
+  } else {
+    this.workflow.trigger(
+      workflow,
+      { data: json },
+      {
+        context,
+      },
+    );
   }
 }