office-ui-fabric-react v7.135.0

Minor changes

• Adding an IMaskTextFieldProps interface and deprecating mask, maskChar, and maskFormat from ITextFieldProps. (PR #14829 by czearing)
• Expose popupProps on Panel (PR #14868 by mltejera)

Patches

• Callout: Dismiss when blurring to a new window. (PR #14363 by jodom)