ENSWEB-4968: fix configure this page button when its a multi gene tree
ENSWEB-4968: fix configure this page button when its a multi gene tree

Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode