Embed HTML into an HTML5 SVG fragment got wrong namespace in template #6642
Description
Version
2.4.4
Reproduction link
https://jsfiddle.net/sn7o1mm3/
Steps to reproduce
Embed <p xmlns="http://www.w3.org/1999/xhtml"> in the svg element
What is expected?
the <p> should be rendered as a htmlElment and show.
What is actually happening?
<p> did not show
seems related to this #6506