Fix - Focus on last error message on form validation

[NirajChaudhary143]

All Submissions:

• Have you followed the Everest Forms Contributing guideline?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

Previously, When form is submitted without filling required field then it focus last error only. This PR allow to focus on first first error.

How to test the changes in this Pull Request:

1. Make form having required field more than 10.
2. Submit without filling.
   3.Check whether it focus on first error or not.

Types of changes:

• Bug fix (non-breaking change which fixes an issue)
• Enhancement (modification of the currently available functionality)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you successfully ran tests with your changes locally?
• Have you updated the documentation accordingly?

Changelog entry

Fix - Focus on last error message on form validation

[joshianup1]

LGTM ✅

[riteelama]

LGTM 👍

[MILAN88888]

LGTM 👍