Social icons still missing

Hi,
Same with me. Version 4.7 does not sovle the lost icons issue.
Clear cash does not help.
Only CSS hotfix helps for all icons except whatsapp, it does not work with a similar fix as published that I tried.
br
Wolfgang

PS:
/* enfold social media icons fix */
.social_bookmarks_twitter a::before, .av-social-link-twitter a::before {
font-family: ‘entypo-fontello’;
content: ‘’;
}
.social_bookmarks_facebook a::before, .av-social-link-facebook a::before {
font-family: ‘entypo-fontello’;
content: ‘’;
}
.social_bookmarks_linkedin a::before, .av-social-link-linkedin a::before {
font-family: ‘entypo-fontello’;
content: ‘’;
}
.social_bookmarks_pinterest a::before, .av-social-link-pinterest a::before {
font-family: ‘entypo-fontello’;
content: ‘’;
}
.social_bookmarks_tumblr a::before, .av-social-link-tumblr a::before {
font-family: ‘entypo-fontello’;
content: ‘’;
}
.social_bookmarks_reddit a::before, .av-social-link-reddit a::before {
font-family: ‘entypo-fontello’;
content: ‘’;
}
.social_bookmarks_vk a::before, .av-social-link-vk a::before {
font-family: ‘entypo-fontello’;
content: ‘’;
}
.social_bookmarks_gplus a::before, .av-social-link-gplus a::before {
font-family: ‘entypo-fontello’;
content: ‘’;
}
.social_bookmarks_mail a::before {
font-family: ‘entypo-fontello’;
content: ‘’;
}
.social_bookmarks_dribble a::before {
font-family: ‘entypo-fontello’;
content: ‘’;
}
.social_bookmarks_youtube a::before {
font-family: ‘entypo-fontello’;
content: ‘’;
}
.social_bookmarks_instagram a::before {
font-family: ‘entypo-fontello’;
content: ‘’;
}
.social_bookmarks_vimeo a::before {
font-family: ‘entypo-fontello’;
content: ‘’;
}
/* THIS DOES NOT WORK: */
.social_bookmarks_whatsapp a::before, .av-social-link-whatsapp a::before {
font-family: ‘entypo-fontello’;
content: ‘’;
}
.fc-basic-view .fc-body .fc-row {
min-height: 6em;
}