[BUG] - Cannot drag and drop <object> type image

[dydome]

Describe the bug
It is not possible to drag and drop svg images inside tag

Reduced Test Case
Check stackblitz -> https://stackblitz.com/edit/angular-template-jd4ivb?file=app%2Fapp.component.ts

To Reproduce
Steps to reproduce the behavior:

1. Use SVG image inside HTML tag
2. Try to drag and drop an image

Expected behavior
Should it be possible to drag and drop an image

[TimUnderhay]

@dydome I'm afraid I don't understand the problem / use case / test case. Are you dropping SVG images from outside the page into the panzoom container? Are you trying to drag something from inside the panzoom container outside of it?