Issue Summary

Using the Legacy Editor, if we copy a bulleted list line, paste in the middle of another bulleted line and hit tab to delete the bullet, the pasted text moves to the end of the line

Steps to Reproduce

1. Create a bullet with some text: 

* middle 

3. Create another bullet with some text

* middle
* start and end of sentence

4. Copy the contents of the first bullet by triple-clicking the text (or if the text is a hyperlink, click-and-drag to highlight the text), and pressing Ctrl-C
5. Click into the middle of the second bullet to put the cursor there

 * middle
 * start 
    * middle 
    and end of sentence

 
6. Click to the start of the inserted bullet and type "backspace" to bring the pasted content onto the line of the second bullet

Expected Results

 * middle
 * start middle and end of sentence

Actual Results

 * middle
 * start and end of sentencemiddle

Workaround

The issue does not occur when using the new Editor (Fabric)