feat: Added events and defer prop to ScrollArea

[albinAppsmith]

Description

This PR adds defer and events props to ScrollArea component.

Fixes appsmithorg/appsmith#34378

Type of change

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

• Manual on storybook
• Manual on main repo
• Jest
• Cypress

Test Plan

Add Testsmith test cases links that relate to this PR

Issues raised during DP testing

Link issues raised during DP testing for better visiblity and tracking (copy link from comments dropped on this PR)

Checklist:

Dev activity

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

QA activity:

• Test plan has been approved by relevant developers
• Test plan has been peer reviewed by QA
• Cypress test cases have been added and approved by either SDET or manual QA
• Organized project review call with relevant stakeholders after Round 1/2 of QA
• Added Test Plan Approved label after reveiwing all Cypress test

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Name	Status	Preview	Comments	Updated (UTC)
design-system	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 21, 2024 8:01am

[changeset-bot]

🦋 Changeset detected

Latest commit: 4a92d08

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@appsmithorg/design-system	Patch

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