After applying patch #37 in drupal 9 it is working but there is blank line is...

After applying patch #37 in drupal 9 it is working but there is blank line is added at the end of a the multiline strings, as you can see in patch-37.png.

And black line will be removed as mentioned in #45 ie . > This is the upstream bug i filed mentioned in #28/29. It will go away once we require newer symfony.

After applying patch #49 in drupal 9 working but there is no space between the multiline strings, as you can see in patch-49.png.

Attaching interdiff also.