anyOf/oneOf properties don't show default value

[choweiyuan]

Prerequisites

• I have read the documentation;
• In the case of a bug report, I understand that providing a SSCCE example is tremendously useful to the maintainers.
• Ideally, I'm providing a sample JSFiddle or a shared playground link demonstrating the issue.

Description

When using oneOf/anyOf, I expect my properties to display the default value specified, and formData to reflect according after selecting one of the options.

See here

Steps to Reproduce

See here

1. Select First method of identification

Expected behavior

"First name" should populate "Chuck" and formData should contain "Chuck" after selecting First method of identification

Actual behavior

formData is empty, and" Chuck" is not populated in "First name"

Version

1.6.1

[epicfaace]

Fixed by #1338.