v7.1.6 508 Compliance Fixes

What's Changed

• DEV-14419 fix chevron aria by @nick-torres in #256
• DEV - 14333: 508 Compliance updates cont. by @jdhfrb in #255
• 508 Compliance updates cont. by @jdhfrb in #257

Full Changelog: v7.1.5...v7.1.6