feat: Implement isOwner flag for get flows API endpoint

packages/backend/src/models/user.js

@@ -537,6 +537,8 @@ class User extends Base {
       .withGraphFetched({
         steps: true,
       })
+      .select('flows.*')
+      .select(Flow.raw('flows.user_id = ? as "isOwner"', [this.id]))
       .where((builder) => {
         if (name) {
           builder.where('flows.name', 'ilike', `%${name}%`);

packages/backend/src/models/user.test.js

@@ -1333,6 +1333,23 @@ describe('User model', () => {
       );
     });
 
+    it('should return isOwner false if the flow is owned by another user', async () => {
+      const anotherUser = await createUser();
+
+      await createFlow({
+        userId: anotherUser.id,
+        folderId: folder.id,
+        active: true,
+        name: 'Another User Flow One',
+      });
+
+      const flows = await currentUser.getFlows({ onlyOwnedFlows: false }, [
+        folder.id,
+      ]);
+
+      expect(flows[0].isOwner).toBe(false);
+    });
+
     it('should return specified flows with all filters together', async () => {
       const flows = await currentUser.getFlows(
         {