Bug 1796590: Add "Loading" icon to blocks load by ajax
behatnotneeded Change-Id: I188956c7b874e8ee901381ab7a554e6d58ac33ac
behatnotneeded Change-Id: I188956c7b874e8ee901381ab7a554e6d58ac33ac
mentioned in commit e4d46877
·mentioned in commit e4d46877