Missing ld+json with Dark Mode BETA Theme

[MillenniumEarl]

Describe the bug
The use of Dark Mode BETA Theme prevents the use of F95API as one of the two ld+json script tags is not present in the HTML source of the thread's pages. In particular is missing the script containing "@type":"DiscussionForumPosting",

To Reproduce
Steps to reproduce the behavior:

1. Change the theme from White theme/UI.X.Dark to Dark Mode BETA
2. Use the module to search for a thread
3. Expect an error at utils > getDateFromString line 16 because s is undefined.

Expected behavior
There should be no usage differences based on the theme chosen by the user.

Additional context
Since the problem is with the site, a report has been opened on the site at this address.