[Bug] Hiding Page titles breaks title display in the Recent Post widget

[joe9663]

Describe the bug
Hiding page titles with the controls in Design > Pages > Titles prevents the title element in the Recent Posts widget from displaying properly.

To Reproduce
Steps to reproduce the behavior:

1. Hide Page Titles in the Customizer
2. Add a Recent Post widget to the page content or sidebar for that page.
3. See error

[joe9663]

+1 for this bug fix