Verified the patch '2849100-61.patch' in #61 on Drupal 8.4.x version.
- Able ...

Verified the patch '2849100-61.patch' in #61 on Drupal 8.4.x version.
- Able to reproduce the issue before applying the patch.
- Patch applied successfully without any errors.
- Before applying the patch:
- The space was appearing before commas for all publishing options (Published, Promoted to front page, Sticky at top of lists, Create new revision).
- After applying the patch:
a) The space before commas has been removed for all other publishing options (Published, Promoted to front page, Sticky at top of lists, Create new revision).
b) Checked for all other conditions, its working fine.
Screen-shots attached