Fix pointer cursor not shown on avatars

When the cursor is on an avatar wrapper the cursor is shown as a pointer
to inform the user that it can be clicked (which will either show the
contacts menu or insert a mention, depending on the case); the cursor
must be explicitly defined for the "img" element that shows the avatar
too, or otherwise the default cursor would be shown.

Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>

apps/comments/css/comments.scss

@@ -141,13 +141,15 @@
 
 #commentsTabView .comment:not(.newCommentRow) .message .avatar-name-wrapper:not(.currentUser),
 #commentsTabView .comment:not(.newCommentRow) .message .avatar-name-wrapper:not(.currentUser) .avatar,
+#commentsTabView .comment:not(.newCommentRow) .message .avatar-name-wrapper:not(.currentUser) .avatar img,
 #commentsTabView .comment .authorRow .avatar:not(.currentUser),
 #commentsTabView .comment .authorRow .author:not(.currentUser) {
 	cursor: pointer;
 }
 
 .atwho-view-ul .avatar-name-wrapper,
-.atwho-view-ul .avatar-name-wrapper .avatar {
+.atwho-view-ul .avatar-name-wrapper .avatar,
+.atwho-view-ul .avatar-name-wrapper .avatar img {
 	cursor: pointer;
 }