How to modify the user profile icon from top menu right? (XWiki.org)

History of How to modify the user profile icon from top menu right? — revisions from 1.1 to 7.2
From	To	Version	Editor	Date	Summary
From	To	7.2	Clemens Robbenhaar	2020/11/17
From	To	6.1	Camelia Andrei	2020/09/16
From	To	5.1	Camelia Andrei	2020/09/16
From	To	4.1	Camelia Andrei	2020/09/16
From	To	3.1	Camelia Andrei	2020/09/16	Upload new image "UserProfileIconBefore.png", version 1.1
From	To	2.1	Camelia Andrei	2020/09/16	Upload new image "UserProfileIconAfter.png", version 1.1
From	To	1.1	Camelia Andrei	2020/09/16