Context Navigation

Changes between Initial Version and Version 1 of Ticket #22463, comment 5

initial	v1
1		This shows these buttons even when the new media modal is opened and as they have higher x-index, they are on top.
	1	This shows these buttons even when the new media modal is opened and as they have higher z-index, they are on top.
2	2
3	3	To truly hide the buttons when a gallery or an image is deselected, this would need to be looking at `blur` for the image which is a bit tricky in contenteditable.