#3442175: Add expand/collapse option to off_canvas
#3442369: Align with Decoupled Preview Iframe changes
** Note: Run update.php and clear caches to take advantage of new settings and config that support additional entity types.
Adds support for taxonomy_term and media entities. #3442174: Extend iframe support for other entity types: taxonomy_term, media.
D10 release
Added "Equal height" settings for columns.