Fix: ModalComponent at designSystem is not using the correct prop (for right attribute) (#23035)

[iamenrique]

Description

Fix the ModalComponent to use the correct value (prop.right).

PR fixes following issue(s)

Fixes # 23035

Type of change

• Bug fix (non-breaking change which fixes an issue)

Testing

How Has This Been Tested?

• [x] Manual
• [ ] 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

• [x] My code follows the style guidelines of this project
• [x] 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
• [x] My changes generate no new warnings
• [ ] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [ ] PR is being merged under a feature flag

QA activity:

• [ ] Speedbreak features have been covered
• [ ] Test plan covers all impacted features and areas of interest
• [ ] Test plan has been peer reviewed by project stakeholders and other QA members
• [ ] Manually tested functionality on DP
• [ ] We had an implementation alignment call with stakeholders post QA Round 2
• [ ] Cypress test cases have been added and approved by SDET/manual QA
• [ ] Added Test Plan Approved label after Cypress tests were reviewed
• [ ] Added Test Plan Approved label after JUnit tests were reviewed