fix for loading iframes with custom web components in chrome

[megboehlert]

In chrome, custom web components in iframes are not loading when the script for creating the custom element is in the body tag of the iframe instead of the head tag.

Issue:

https://github.com/user-attachments/assets/5466b4ce-41d0-45ef-9e93-c99d471b0336

Fix:

https://github.com/user-attachments/assets/485e9c45-6526-4525-9747-fba4e7f0f6bd