Hello, thanks for your reply !
your answear seems good but not totaly fix the issue (not tested), because i would be oblige to use it anytime i wish to display those links.
Just got an answear on Stackexchange, my problem was that i was defining global $post in my function.
if you want more explaination, here is the thread
https://wordpress.stackexchange.com/a/339859/139936
