office-ui-fabric-react v7.177.1

Patches

• Port Picker placeholder style (#19568) to 7.0 * Added placeholder styles to base picker (PR #20014 by GeoffCoxMSFT)
• Port 'Updated ComboBox error to have role="alert" (#20013)' to 7.0 (PR #20032 by GeoffCoxMSFT)