The rendering component does not handle \\ and empty line correctly together

When using
with an empty line together the empty line is ignored.

Example

line 1

line 2 after one empty line

becomes

line 1<p>line 2 after one empty line</p>

while

line 1
\\
\\

line 2 after 2 carriage return and one empty line

becomes

line 1<br><br>line 2 after one empty line

We can see that the <p> is gone. We can also see that <br> should be <br />