Form validation not appearing when you click on the Submit button

[rodica-andronache]

Description

https://secure.helpscout.net/conversation/3191174421/480820?viewId=212385

Step-by-step reproduction instructions

1. Create a default contact form from Otter Blocks with some required fields
2. Without entering any value in the form, click on Submit -> There is no notice for the required fields, even though that should happen.
3. Enter a value in one of the fields of the form, and click on Submit -> Now, you see the "Please fill in this field" notice

Screenshots, screen recording, code snippet or Help Scout ticket

Screen.Recording.at.2026-01-08.at.09-59-07.mp4

Environment info

No response

Is the issue you are reporting a regression

No

[girishpanchal30]

@rodica-andronache I have fixed it with this PR #2740