feat: Add create flow from template method to user model

packages/backend/src/models/user.js

@@ -22,6 +22,7 @@ import Step from './step.js';
 import Subscription from './subscription.ee.js';
 import Folder from './folder.js';
 import UsageData from './usage-data.ee.js';
+import Template from './template.ee.js';
 import Billing from '../helpers/billing/index.ee.js';
 import NotAuthorizedError from '../errors/not-authorized.js';
 
@@ -685,6 +686,16 @@ class User extends Base {
     return flow;
   }
 
+  async createFlowFromTemplate(templateId) {
+    const template = await Template.query()
+      .findById(templateId)
+      .throwIfNotFound();
+
+    const flow = await Flow.import(this, template.flowData);
+
+    return flow;
+  }
+
   async $beforeInsert(queryContext) {
     await super.$beforeInsert(queryContext);