Pasting lines into a noformat macro will insert unwanted newlines when using Chrome

Enter the following into the Editor

One
Two
Three

Four
Five
Six

• Highlight the entire two rows containing "Four and Five"
• Copy
• Put the cursor before the word 'Two' and paste

Expected: The first noformat block should a block of text with single line breaks only
Actual: Between the 'Five' and the 'Two' there are 3 line breaks