Copying text from Slack into markdown editor strips out empty lines and extra formatting (bold, italic, underline...)
### Summary
Whenever I copy text from Slack to our markdown editor, it only copies the raw text and even strips out empty lines.
### Steps to reproduce
Copy formatted text with empty lines from Slack to our markdown editor.
### What is the current *bug* behavior?

### What is the expected *correct* behavior?
Copied text from Slack stays in the same style and keeps all empty lines.
issue