Images and other attachments added to a rich text area aren't being displayed in the editor when you go back to edit the record again.

Fixes: https://github.com/rails/rails/issues/52233



Update actiontext/lib/action_text/content.rb

Co-authored-by: Petrik de Heus <petrik@deheus.net>

add a missing end after merging a suggestion from github

move the changelog entry to the top

Update actiontext/lib/action_text/content.rb

Co-authored-by: Willian Gustavo Veiga <willianveiga@users.noreply.github.com>

Update actiontext/test/unit/content_test.rb

Co-authored-by: Petrik de Heus <petrik@deheus.net>

Update actiontext/test/unit/content_test.rb

Co-authored-by: Petrik de Heus <petrik@deheus.net>

clean up after merging suggestions on GitHub