Save as html failure
#### Steps to reproduce:
<!-- Describe what you did (step-by-step) so we can reproduce: -->
- open Inkscape
- open a pdf file
- save file as html
#### What happened?
It produced this:
...
#### What should have happened?
I expected a .html file that could be examined and/or imported into another html document. My first step would be to open the html file with a browser (firefox, seamonkey, chrome, edge) to verify the image is "scaleable".
...
#### Inkscape Version and Operating System:
- Inkscape Version: 1.0beta2 (a570bc0, 2020-01-20)
- Operating System: Windows 10
- Operating System version: 1909
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issue