Add "View unpublished paragraphs" permission to Contributor role.

Author: Stolexiy

web/profiles/sdd/config/install/user.role.contributor.yml

@@ -112,3 +112,4 @@ permissions:
   - 'view own unpublished media'
   - 'view restricted block content'
   - 'view the administration theme'
+  - 'view unpublished paragraphs'