Hi Ga,
I've answered with a private email. However, it appears that SVG creation with
draw.io is not the best option around.
Your small SVG example file created a whooping 23 errors when run through the W3C online validator (
https://validator.w3.org/). The file also contains several <div> tags, which are part of the HTML markup, but not part of the SVG markup, so it's not even an SVG, let alone an SVG 1.1. It's no surprise that you get very different rendering results, for every SVG renderer has its own fallbacks and strategies to deal with internal errors.
We recommend a different application to create SVG images.