Accessibility improvements and minor improvements required for UAT feedback

[jaieds]

Description

• Improved Dialog and Drawer component accessibility.
• Add ref prop to the Select.Button component to access the reference of the Select.Button
• Added aria attributes to some components.

Screenshots

Types of changes

How has this been tested?

Checklist:

• My code is tested
• My code passes the PHPCS tests
• I've created the npm build.
• My code follows accessibility standards
• My code has proper inline documentation
• I've included any necessary tests
• I've included developer documentation
• I've added proper labels to this pull request