Issue Summary

Copying and pasting content in the editor encounters a problem with Microsoft Edge browser.

Steps to Reproduce

1. Create new page, add image attachments and paragraph containing few lines of plain text
2. Save the page
3. Edit the page. Select image attachment or text paragraph.
4. Copy (by using ctrl+c shortcut) or cut (ctrl+x) selected content
5. Paste content (by using ctrl+v shortcut) in any other section of the page

Expected Results

Content is pasted immediately

Actual Results

• On Microsoft Edge after pasting the content following error is displayed:
  
  After clicking on "stop script" content is finally pasted to the page

Notes

• Other browsers are not affected.
• Bug is not reproducible when collaborative editing is disabled

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available