Bug fixes

1) Drupal 9 compatibility fixes
2)Blank page on content add with picker widget

Issue : Unable to edit image.style.wide

Layout Builder only supports customizing the Full/Default view mode.

Issue #3153825 by jurgenhaas, tibezh: Error after save a node with Dimension: Volume field type

Issue #3153157 by lebster, jurgenhaas: Trying to get property 'user' of non-object in Drupal\discourse_sso\Logout->logout()

Issue #3127142 by Suresh Prabhu Parkala: Drupal 9 readiness
Issue #3004280 by karuna patel, Sergiu Stici, naresh_bavaskar, i-trokhanenko, lhridley: D9 Deprecated Code Report