If a banner block is created from GridFieldDetailForm without any content, when the user attempts to expand the block for in-line editing, the block does not expand. Expected behaviour is the block should expand and allow the user to add content.
Steps to recreate:
Add Banner block to page
Create Banner block with no content
Attempt to expand the block for editing in edit mode
If a banner block is created from GridFieldDetailForm without any content, when the user attempts to expand the block for in-line editing, the block does not expand. Expected behaviour is the block should expand and allow the user to add content.
Steps to recreate: