a blank screen may appear after submission

**Describe the bug**
When annotating high-resolution images, a blank screen may appear after submission.

**To Reproduce**
Steps to reproduce the behavior:
1. Go to one task page,pick a 6k*8k picture
2. use smart SAM3 samrt keypoint and click the picture
3. The ml returned the masked data, but the front end did not display it.
4. See blank screen

**Expected behavior**
a blank screen may appear after use SAM3 smart keypoint.

**Screenshots**

**Environment (please complete the following information):**
-docker ubuntu 22.04
- Label Studio Version [1.24dev0]

Start on the task page by reproducing the issue with a 6k×8k image and the SAM3 smart keypoint. Trace the frontend path that receives the returned masked data and determine why it is not displayed; done means the mask renders after submission without a blank screen.

Written by the indexing model from the issue text.