Merge pull request #23378 from owncloud/stable9-backport-23370

[stable9] Update avatar on username change if avatar is set

settings/js/personal.js

@@ -83,8 +83,11 @@ function changeDisplayName () {
 				$('#oldDisplayName').val($('#displayName').val());
 				// update displayName on the top right expand button
 				$('#expandDisplayName').text($('#displayName').val());
+				// update avatar if avatar is available
+				if(!$('#removeavatar').hasClass('hidden')) {
 					updateAvatar();
 				}
+			}
 			else {
 				$('#newdisplayname').val(data.data.displayName);
 			}