fix: retain spacing between escaped table pipes

[rdumont]

The previous behaviour would have the spaces surrounding escaped table |s be removed, changing the actual value of the table cell.

Here is an example before saving:

This is what I expected it to look like after formatting:

And this is what actually happens:

[Dutchie1990]

Can this PR please been merged?

[alexkrechik]

Does anybody know - is there any issue related to this PR?