Fixes JavaScript errors caused by expandable shadow data not being sometimes available.
Fixes @ToolUi.SuggestedMinimum and @ToolUi.SuggestedMaximum not working for ReferentialText.
Fixes global search to show all @Content.SEARCHABLE_GROUP types instead of ones that extend Content.
Adds an invisible space after RTE comments so that they can be deleted.
Changes the RTE to not allow editing changes if the track changes is turned off.
Fixes CMS preview sometimes not showing the special characters properly.
Merge branch 'release/2.3'